22130612 has 12 divisors (see below), whose sum is σ = 44261280. Its totient is φ = 9484536.

The previous prime is 22130609. The next prime is 22130653. The reversal of 22130612 is 21603122.

22130612 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 395162 + ... + 395217.

It is an arithmetic number, because the mean of its divisors is an integer number (3688440).

Almost surely, 2^22130612 is an apocalyptic number.

It is an amenable number.

22130612 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.

22130612 is a wasteful number, since it uses less digits than its factorization.

22130612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 790390 (or 790388 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 22130612 is about 4704.3184416024. The cubic root of 22130612 is about 280.7573543947.

Adding to 22130612 its reverse (21603122), we get a palindrome (43733734).

The spelling of 22130612 in words is "twenty-two million, one hundred thirty thousand, six hundred twelve".