10422220 has 48 divisors (see below), whose sum is σ = 23143680. Its totient is φ = 3934656.

The previous prime is 10422199. The next prime is 10422221. The reversal of 10422220 is 2222401.

It is a self number, because there is not a number n which added to its sum of digits gives 10422220.

It is not an unprimeable number, because it can be changed into a prime (10422221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63859 + ... + 64021.

It is an arithmetic number, because the mean of its divisors is an integer number (482160).

Almost surely, 2^10422220 is an apocalyptic number.

10422220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10422220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11571840).

10422220 is an abundant number, since it is smaller than the sum of its proper divisors (12721460).

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

10422220 is a wasteful number, since it uses less digits than its factorization.

10422220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334 (or 332 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 10422220 is about 3228.3463259074. The cubic root of 10422220 is about 218.4339195574.

Adding to 10422220 its reverse (2222401), we get a palindrome (12644621).

The spelling of 10422220 in words is "ten million, four hundred twenty-two thousand, two hundred twenty".