22452244 has 12 divisors (see below), whose sum is σ = 39328884. Its totient is φ = 11215424.

The previous prime is 22452239. The next prime is 22452251. The reversal of 22452244 is 44225422.

It can be written as a sum of positive squares in 2 ways, for example, as 18404100 + 4048144 = 4290^2 + 2012^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3774 + ... + 7690.

It is an arithmetic number, because the mean of its divisors is an integer number (3277407).

Almost surely, 2^22452244 is an apocalyptic number.

It is an amenable number.

22452244 is a deficient number, since it is larger than the sum of its proper divisors (16876640).

22452244 is a wasteful number, since it uses less digits than its factorization.

22452244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5354 (or 5352 counting only the distinct ones).

The product of its digits is 5120, while the sum is 25.

The square root of 22452244 is about 4738.3798919040. The cubic root of 22452244 is about 282.1109333349.

Adding to 22452244 its reverse (44225422), we get a palindrome (66677666).

It can be divided in two parts, 2245 and 2244, that added together give a square (4489 = 67²).

The spelling of 22452244 in words is "twenty-two million, four hundred fifty-two thousand, two hundred forty-four".