22297522 has 24 divisors (see below), whose sum is σ = 37123380. Its totient is φ = 10033920.

The previous prime is 22297477. The next prime is 22297537. The reversal of 22297522 is 22579222.

It can be written as a sum of positive squares in 6 ways, for example, as 3884841 + 18412681 = 1971^2 + 4291^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13054 + ... + 14662.

Almost surely, 2^22297522 is an apocalyptic number.

22297522 is a deficient number, since it is larger than the sum of its proper divisors (14825858).

22297522 is a wasteful number, since it uses less digits than its factorization.

22297522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1678 (or 1665 counting only the distinct ones).

The product of its digits is 10080, while the sum is 31.

The square root of 22297522 is about 4722.0252011187. The cubic root of 22297522 is about 281.4614152290.

The spelling of 22297522 in words is "twenty-two million, two hundred ninety-seven thousand, five hundred twenty-two".