22665056 has 12 divisors (see below), whose sum is σ = 44621892. Its totient is φ = 11332512.

The previous prime is 22665011. The next prime is 22665067. The reversal of 22665056 is 65056622.

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 708283 = 22665056 / (2 + 2 + 6 + 6 + 5 + 0 + 5 + 6).

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 354110 + ... + 354173.

It is an arithmetic number, because the mean of its divisors is an integer number (3718491).

Almost surely, 2^22665056 is an apocalyptic number.

It is an amenable number.

22665056 is a deficient number, since it is larger than the sum of its proper divisors (21956836).

22665056 is an equidigital number, since it uses as much as digits as its factorization.

22665056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708293 (or 708285 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 22665056 is about 4760.7831288560. The cubic root of 22665056 is about 282.9994547722. Note that the first 3 decimals are identical.

The spelling of 22665056 in words is "twenty-two million, six hundred sixty-five thousand, fifty-six".