224221926 has 32 divisors (see below), whose sum is σ = 472728960. Its totient is φ = 70704576.

The previous prime is 224221903. The next prime is 224221931. The reversal of 224221926 is 629122422.

It is a junction number, because it is equal to n+sod(n) for n = 224221893 and 224221902.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134490 + ... + 136146.

It is an arithmetic number, because the mean of its divisors is an integer number (14772780).

Almost surely, 2^224221926 is an apocalyptic number.

224221926 is an abundant number, since it is smaller than the sum of its proper divisors (248507034).

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

224221926 is a wasteful number, since it uses less digits than its factorization.

224221926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2868.

The product of its digits is 6912, while the sum is 30.

The square root of 224221926 is about 14974.0417389561. The cubic root of 224221926 is about 607.5182930697.

The spelling of 224221926 in words is "two hundred twenty-four million, two hundred twenty-one thousand, nine hundred twenty-six".