22617809660 has 12 divisors (see below), whose sum is σ = 47497400328. Its totient is φ = 9047123856.

The previous prime is 22617809651. The next prime is 22617809663. The reversal of 22617809660 is 6690871622.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22617809663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 565445222 + ... + 565445261.

It is an arithmetic number, because the mean of its divisors is an integer number (3958116694).

Almost surely, 2^22617809660 is an apocalyptic number.

22617809660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22617809660 is an abundant number, since it is smaller than the sum of its proper divisors (24879590668).

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

22617809660 is a wasteful number, since it uses less digits than its factorization.

22617809660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1130890492 (or 1130890490 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 47.

The spelling of 22617809660 in words is "twenty-two billion, six hundred seventeen million, eight hundred nine thousand, six hundred sixty".