22555256 has 8 divisors (see below), whose sum is σ = 42291120. Its totient is φ = 11277624.

The previous prime is 22555241. The next prime is 22555271. The reversal of 22555256 is 65255522.

It is an interprime number because it is at equal distance from previous prime (22555241) and next prime (22555271).

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 (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1409696 + ... + 1409711.

It is an arithmetic number, because the mean of its divisors is an integer number (5286390).

Almost surely, 2^22555256 is an apocalyptic number.

It is an amenable number.

22555256 is a deficient number, since it is larger than the sum of its proper divisors (19735864).

22555256 is a wasteful number, since it uses less digits than its factorization.

22555256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2819413 (or 2819409 counting only the distinct ones).

The product of its digits is 30000, while the sum is 32.

The square root of 22555256 is about 4749.2374124695. The cubic root of 22555256 is about 282.5417214596.

The spelling of 22555256 in words is "twenty-two million, five hundred fifty-five thousand, two hundred fifty-six".