22525522 has 16 divisors (see below), whose sum is σ = 34263000. Its totient is φ = 11105920.

The previous prime is 22525519. The next prime is 22525541. The reversal of 22525522 is 22552522.

It can be written as a sum of positive squares in 4 ways, for example, as 11296321 + 11229201 = 3361^2 + 3351^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80022 + ... + 80302.

Almost surely, 2^22525522 is an apocalyptic number.

22525522 is a deficient number, since it is larger than the sum of its proper divisors (11737478).

22525522 is a wasteful number, since it uses less digits than its factorization.

22525522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701.

The product of its digits is 4000, while the sum is 25.

The square root of 22525522 is about 4746.1059828032. The cubic root of 22525522 is about 282.4175110922.

Subtracting 22525522 from its reverse (22552522), we obtain a cube (27000 = 30³).

The spelling of 22525522 in words is "twenty-two million, five hundred twenty-five thousand, five hundred twenty-two".