22554656 has 12 divisors (see below), whose sum is σ = 44404542. Its totient is φ = 11277312.

The previous prime is 22554629. The next prime is 22554659. The reversal of 22554656 is 65645522.

It can be written as a sum of positive squares in only one way, i.e., 21715600 + 839056 = 4660^2 + 916^2 .

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (22554659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 352385 + ... + 352448.

Almost surely, 2^22554656 is an apocalyptic number.

It is an amenable number.

22554656 is a deficient number, since it is larger than the sum of its proper divisors (21849886).

22554656 is an equidigital number, since it uses as much as digits as its factorization.

22554656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704843 (or 704835 counting only the distinct ones).

The product of its digits is 72000, while the sum is 35.

The square root of 22554656 is about 4749.1742440134. The cubic root of 22554656 is about 282.5392161080.

The spelling of 22554656 in words is "twenty-two million, five hundred fifty-four thousand, six hundred fifty-six".