22556446 has 16 divisors (see below), whose sum is σ = 37013760. Its totient is φ = 10224280.

The previous prime is 22556441. The next prime is 22556447. The reversal of 22556446 is 64465522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22556441) 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 7 ways as a sum of consecutive naturals, for example, 7995 + ... + 10441.

It is an arithmetic number, because the mean of its divisors is an integer number (2313360).

Almost surely, 2^22556446 is an apocalyptic number.

22556446 is a deficient number, since it is larger than the sum of its proper divisors (14457314).

22556446 is a wasteful number, since it uses less digits than its factorization.

22556446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2879.

The product of its digits is 57600, while the sum is 34.

The square root of 22556446 is about 4749.3626940885. The cubic root of 22556446 is about 282.5466902754.

The spelling of 22556446 in words is "twenty-two million, five hundred fifty-six thousand, four hundred forty-six".