22312163608 has 64 divisors (see below), whose sum is σ = 49523112000. Its totient is φ = 9220925952.

The previous prime is 22312163593. The next prime is 22312163651. The reversal of 22312163608 is 80636121322.

It is a super-3 number, since 3×22312163608³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1338010 + ... + 1354582.

It is an arithmetic number, because the mean of its divisors is an integer number (773798625).

Almost surely, 2^22312163608 is an apocalyptic number.

22312163608 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22312163608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24761556000).

22312163608 is an abundant number, since it is smaller than the sum of its proper divisors (27210948392).

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

22312163608 is a wasteful number, since it uses less digits than its factorization.

22312163608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17444 (or 17440 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The spelling of 22312163608 in words is "twenty-two billion, three hundred twelve million, one hundred sixty-three thousand, six hundred eight".