22455256 has 8 divisors (see below), whose sum is σ = 42103620. Its totient is φ = 11227624.

The previous prime is 22455221. The next prime is 22455269. The reversal of 22455256 is 65255422.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

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, 1403446 + ... + 1403461.

Almost surely, 2^22455256 is an apocalyptic number.

It is an amenable number.

22455256 is a deficient number, since it is larger than the sum of its proper divisors (19648364).

22455256 is a wasteful number, since it uses less digits than its factorization.

22455256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2806913 (or 2806909 counting only the distinct ones).

The product of its digits is 24000, while the sum is 31.

The square root of 22455256 is about 4738.6977113971. The cubic root of 22455256 is about 282.1235479632.

The spelling of 22455256 in words is "twenty-two million, four hundred fifty-five thousand, two hundred fifty-six".