22725955 has 48 divisors (see below), whose sum is σ = 34309440. Its totient is φ = 14370048.

The previous prime is 22725929. The next prime is 22725979. The reversal of 22725955 is 55952722.

It is not a de Polignac number, because 22725955 - 2¹⁹ = 22201667 is a prime.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 208441 + ... + 208549.

It is an arithmetic number, because the mean of its divisors is an integer number (714780).

Almost surely, 2^22725955 is an apocalyptic number.

22725955 is a deficient number, since it is larger than the sum of its proper divisors (11583485).

22725955 is a wasteful number, since it uses less digits than its factorization.

22725955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188 (or 181 counting only the distinct ones).

The product of its digits is 63000, while the sum is 37.

The square root of 22725955 is about 4767.1747398223. The cubic root of 22725955 is about 283.2526929294.

The spelling of 22725955 in words is "twenty-two million, seven hundred twenty-five thousand, nine hundred fifty-five".