22262621628 has 24 divisors (see below), whose sum is σ = 55941972688. Its totient is φ = 6850037376.

The previous prime is 22262621593. The next prime is 22262621629. The reversal of 22262621628 is 82612626222.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22262621629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71354401 + ... + 71354712.

Almost surely, 2^22262621628 is an apocalyptic number.

It is an amenable number.

22262621628 is an abundant number, since it is smaller than the sum of its proper divisors (33679351060).

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

22262621628 is a wasteful number, since it uses less digits than its factorization.

22262621628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142709133 (or 142709131 counting only the distinct ones).

The product of its digits is 110592, while the sum is 39.

The spelling of 22262621628 in words is "twenty-two billion, two hundred sixty-two million, six hundred twenty-one thousand, six hundred twenty-eight".