22522252 has 24 divisors (see below), whose sum is σ = 40316976. Its totient is φ = 11006208.

The previous prime is 22522219. The next prime is 22522271. The reversal of 22522252 is 25222522.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 39723 + ... + 40285.

It is an arithmetic number, because the mean of its divisors is an integer number (1679874).

Almost surely, 2^22522252 is an apocalyptic number.

It is an amenable number.

22522252 is a deficient number, since it is larger than the sum of its proper divisors (17794724).

22522252 is a wasteful number, since it uses less digits than its factorization.

22522252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 777 (or 775 counting only the distinct ones).

The product of its digits is 1600, while the sum is 22.

The square root of 22522252 is about 4745.7614773606. The cubic root of 22522252 is about 282.4038443730.

Adding to 22522252 its reverse (25222522), we get a palindrome (47744774).

The spelling of 22522252 in words is "twenty-two million, five hundred twenty-two thousand, two hundred fifty-two".