22621085028 has 48 divisors (see below), whose sum is σ = 61197144960. Its totient is φ = 7212519072.

The previous prime is 22621085027. The next prime is 22621085089. The reversal of 22621085028 is 82058012622.

22621085028 is a `hidden beast` number, since 2 + 2 + 621 + 0 + 8 + 5 + 0 + 28 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 22621084983 and 22621085001.

It is not an unprimeable number, because it can be changed into a prime (22621085027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4550875 + ... + 4555842.

It is an arithmetic number, because the mean of its divisors is an integer number (1274940520).

Almost surely, 2^22621085028 is an apocalyptic number.

It is an amenable number.

22621085028 is an abundant number, since it is smaller than the sum of its proper divisors (38576059932).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22621085028 is a wasteful number, since it uses less digits than its factorization.

22621085028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9106753 (or 9106745 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The spelling of 22621085028 in words is "twenty-two billion, six hundred twenty-one million, eighty-five thousand, twenty-eight".