22628464605 has 12 divisors (see below), whose sum is σ = 39222672060. Its totient is φ = 12068514432.

The previous prime is 22628464577. The next prime is 22628464627. The reversal of 22628464605 is 50646482622.

It can be written as a sum of positive squares in 2 ways, for example, as 16844405796 + 5784058809 = 129786^2 + 76053^2 .

It is not a de Polignac number, because 22628464605 - 2¹⁹ = 22627940317 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 502854769 = 22628464605 / (2 + 2 + 6 + 2 + 8 + 4 + 6 + 4 + 6 + 0 + 5).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 251427340 + ... + 251427429.

It is an arithmetic number, because the mean of its divisors is an integer number (3268556005).

Almost surely, 2^22628464605 is an apocalyptic number.

It is an amenable number.

22628464605 is a deficient number, since it is larger than the sum of its proper divisors (16594207455).

22628464605 is a wasteful number, since it uses less digits than its factorization.

22628464605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502854780 (or 502854777 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 45.

The spelling of 22628464605 in words is "twenty-two billion, six hundred twenty-eight million, four hundred sixty-four thousand, six hundred five".