22252570 has 16 divisors (see below), whose sum is σ = 41436360. Its totient is φ = 8593984.

The previous prime is 22252567. The next prime is 22252579. The reversal of 22252570 is 7525222.

It can be written as a sum of positive squares in 4 ways, for example, as 22155849 + 96721 = 4707^2 + 311^2 .

It is not an unprimeable number, because it can be changed into a prime (22252579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38077 + ... + 38656.

Almost surely, 2^22252570 is an apocalyptic number.

22252570 is a deficient number, since it is larger than the sum of its proper divisors (19183790).

22252570 is a wasteful number, since it uses less digits than its factorization.

22252570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76769.

The product of its (nonzero) digits is 2800, while the sum is 25.

The square root of 22252570 is about 4717.2629776174. The cubic root of 22252570 is about 281.2721450876.

Adding to 22252570 its reverse (7525222), we get a palindrome (29777792).

It can be divided in two parts, 22252 and 570, that added together give a palindrome (22822).

The spelling of 22252570 in words is "twenty-two million, two hundred fifty-two thousand, five hundred seventy".