22542855 has 32 divisors (see below), whose sum is σ = 37283328. Its totient is φ = 11625600.

The previous prime is 22542827. The next prime is 22542893. The reversal of 22542855 is 55824522.

It is a happy number.

It is not a de Polignac number, because 22542855 - 2⁷ = 22542727 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 64792 + ... + 65138.

It is an arithmetic number, because the mean of its divisors is an integer number (1165104).

Almost surely, 2^22542855 is an apocalyptic number.

22542855 is a deficient number, since it is larger than the sum of its proper divisors (14740473).

22542855 is a wasteful number, since it uses less digits than its factorization.

22542855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487.

The product of its digits is 32000, while the sum is 33.

The square root of 22542855 is about 4747.9316549420. The cubic root of 22542855 is about 282.4899309853.

The spelling of 22542855 in words is "twenty-two million, five hundred forty-two thousand, eight hundred fifty-five".