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224422420 = 22520835387
BaseRepresentation
bin11010110000001…
…10101000010100
3120122021211200111
431120012220110
5424423004140
634134052404
75363362525
oct1530065024
9518254614
10224422420
11105753982
12631aa104
1337658641
1421b3c84c
1514a807ea
hexd606a14

224422420 has 24 divisors (see below), whose sum is σ = 471600864. Its totient is φ = 89709216.

The previous prime is 224422403. The next prime is 224422421. The reversal of 224422420 is 24224422.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 224422391 and 224422400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224422421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38967 + ... + 44353.

It is an arithmetic number, because the mean of its divisors is an integer number (19650036).

Almost surely, 2224422420 is an apocalyptic number.

224422420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

224422420 is an abundant number, since it is smaller than the sum of its proper divisors (247178444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

224422420 is a wasteful number, since it uses less digits than its factorization.

224422420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7479 (or 7477 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

The square root of 224422420 is about 14980.7349619436. The cubic root of 224422420 is about 607.6993153395.

Adding to 224422420 its reverse (24224422), we get a palindrome (248646842).

The spelling of 224422420 in words is "two hundred twenty-four million, four hundred twenty-two thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 2083 4166 5387 8332 10415 10774 20830 21548 26935 41660 53870 107740 11221121 22442242 44884484 56105605 112211210 224422420