22130564 has 6 divisors (see below), whose sum is σ = 38728494. Its totient is φ = 11065280.

The previous prime is 22130543. The next prime is 22130579. The reversal of 22130564 is 46503122.

It can be written as a sum of positive squares in only one way, i.e., 18130564 + 4000000 = 4258^2 + 2000^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2766317 + ... + 2766324.

It is an arithmetic number, because the mean of its divisors is an integer number (6454749).

Almost surely, 2^22130564 is an apocalyptic number.

It is an amenable number.

22130564 is a deficient number, since it is larger than the sum of its proper divisors (16597930).

22130564 is a wasteful number, since it uses less digits than its factorization.

22130564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5532645 (or 5532643 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 22130564 is about 4704.3133399041. The cubic root of 22130564 is about 280.7571514124.

Adding to 22130564 its reverse (46503122), we get a palindrome (68633686).

The spelling of 22130564 in words is "twenty-two million, one hundred thirty thousand, five hundred sixty-four".