22563452 has 6 divisors (see below), whose sum is σ = 39486048. Its totient is φ = 11281724.

The previous prime is 22563449. The next prime is 22563481. The reversal of 22563452 is 25436522.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2820428 + ... + 2820435.

It is an arithmetic number, because the mean of its divisors is an integer number (6581008).

Almost surely, 2^22563452 is an apocalyptic number.

It is an amenable number.

22563452 is a deficient number, since it is larger than the sum of its proper divisors (16922596).

22563452 is a wasteful number, since it uses less digits than its factorization.

22563452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5640867 (or 5640865 counting only the distinct ones).

The product of its digits is 14400, while the sum is 29.

The square root of 22563452 is about 4750.1002094693. The cubic root of 22563452 is about 282.5759401138.

Adding to 22563452 its reverse (25436522), we get a palindrome (47999974).

The spelling of 22563452 in words is "twenty-two million, five hundred sixty-three thousand, four hundred fifty-two".