22900628 has 6 divisors (see below), whose sum is σ = 40076106. Its totient is φ = 11450312.

The previous prime is 22900627. The next prime is 22900637. The reversal of 22900628 is 82600922.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 11957764 + 10942864 = 3458^2 + 3308^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22900628.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22900621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2862575 + ... + 2862582.

It is an arithmetic number, because the mean of its divisors is an integer number (6679351).

Almost surely, 2^22900628 is an apocalyptic number.

It is an amenable number.

22900628 is a deficient number, since it is larger than the sum of its proper divisors (17175478).

22900628 is a wasteful number, since it uses less digits than its factorization.

22900628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5725161 (or 5725159 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 22900628 is about 4785.4600614779. The cubic root of 22900628 is about 283.9765404149.

The spelling of 22900628 in words is "twenty-two million, nine hundred thousand, six hundred twenty-eight".