22752252 has 30 divisors (see below), whose sum is σ = 59479728. Its totient is φ = 7583976.

The previous prime is 22752251. The next prime is 22752259. The reversal of 22752252 is 25225722.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22752251) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 34788 + ... + 35435.

Almost surely, 2^22752252 is an apocalyptic number.

It is an amenable number.

22752252 is an abundant number, since it is smaller than the sum of its proper divisors (36727476).

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

22752252 is a wasteful number, since it uses less digits than its factorization.

22752252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70239 (or 70228 counting only the distinct ones).

The product of its digits is 5600, while the sum is 27.

The square root of 22752252 is about 4769.9320749881. The cubic root of 22752252 is about 283.3619046928.

Adding to 22752252 its reverse (25225722), we get a palindrome (47977974).

The spelling of 22752252 in words is "twenty-two million, seven hundred fifty-two thousand, two hundred fifty-two".