22452052 has 12 divisors (see below), whose sum is σ = 44904160. Its totient is φ = 9622296.

The previous prime is 22452049. The next prime is 22452097. The reversal of 22452052 is 25025422.

It is a happy number.

22452052 is an admirable number.

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 3 ways as a sum of consecutive naturals, for example, 400902 + ... + 400957.

Almost surely, 2^22452052 is an apocalyptic number.

It is an amenable number.

22452052 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22452052 is a wasteful number, since it uses less digits than its factorization.

22452052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801870 (or 801868 counting only the distinct ones).

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

The square root of 22452052 is about 4738.3596317713. The cubic root of 22452052 is about 282.1101291770.

Adding to 22452052 its reverse (25025422), we get a palindrome (47477474).

The spelling of 22452052 in words is "twenty-two million, four hundred fifty-two thousand, fifty-two".