22522042 has 16 divisors (see below), whose sum is σ = 36144360. Its totient is φ = 10487808.

The previous prime is 22522021. The next prime is 22522043. The reversal of 22522042 is 24022522.

It can be written as a sum of positive squares in 4 ways, for example, as 21150801 + 1371241 = 4599^2 + 1171^2 .

It is not an unprimeable number, because it can be changed into a prime (22522043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117 + ... + 6712.

Almost surely, 2^22522042 is an apocalyptic number.

22522042 is a deficient number, since it is larger than the sum of its proper divisors (13622318).

22522042 is a wasteful number, since it uses less digits than its factorization.

22522042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6945.

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 22522042 is about 4745.7393523033. The cubic root of 22522042 is about 282.4029666486.

Adding to 22522042 its reverse (24022522), we get a palindrome (46544564).

The spelling of 22522042 in words is "twenty-two million, five hundred twenty-two thousand, forty-two".