22628612 has 6 divisors (see below), whose sum is σ = 39600078. Its totient is φ = 11314304.

The previous prime is 22628591. The next prime is 22628629. The reversal of 22628612 is 21682622.

It can be written as a sum of positive squares in only one way, i.e., 22429696 + 198916 = 4736^2 + 446^2 .

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, 2828573 + ... + 2828580.

It is an arithmetic number, because the mean of its divisors is an integer number (6600013).

Almost surely, 2^22628612 is an apocalyptic number.

It is an amenable number.

22628612 is a deficient number, since it is larger than the sum of its proper divisors (16971466).

22628612 is a wasteful number, since it uses less digits than its factorization.

22628612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5657157 (or 5657155 counting only the distinct ones).

The product of its digits is 4608, while the sum is 29.

The square root of 22628612 is about 4756.9540674680. The cubic root of 22628612 is about 282.8476915621.

The spelling of 22628612 in words is "twenty-two million, six hundred twenty-eight thousand, six hundred twelve".