22570532 has 6 divisors (see below), whose sum is σ = 39498438. Its totient is φ = 11285264.

The previous prime is 22570531. The next prime is 22570579. The reversal of 22570532 is 23507522.

It can be written as a sum of positive squares in only one way, i.e., 12432676 + 10137856 = 3526^2 + 3184^2 .

It is not an unprimeable number, because it can be changed into a prime (22570531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2821313 + ... + 2821320.

It is an arithmetic number, because the mean of its divisors is an integer number (6583073).

Almost surely, 2^22570532 is an apocalyptic number.

It is an amenable number.

22570532 is a deficient number, since it is larger than the sum of its proper divisors (16927906).

22570532 is a wasteful number, since it uses less digits than its factorization.

22570532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5642637 (or 5642635 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 26.

The square root of 22570532 is about 4750.8453984528. The cubic root of 22570532 is about 282.6054927496.

The spelling of 22570532 in words is "twenty-two million, five hundred seventy thousand, five hundred thirty-two".