22164732620 has 24 divisors (see below), whose sum is σ = 46570658400. Its totient is φ = 8861184512.

The previous prime is 22164732619. The next prime is 22164732649. The reversal of 22164732620 is 2623746122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 255560 + ... + 331119.

It is an arithmetic number, because the mean of its divisors is an integer number (1940444100).

Almost surely, 2^22164732620 is an apocalyptic number.

22164732620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22164732620 is an abundant number, since it is smaller than the sum of its proper divisors (24405925780).

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

22164732620 is a wasteful number, since it uses less digits than its factorization.

22164732620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588577 (or 588575 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 35.

The spelling of 22164732620 in words is "twenty-two billion, one hundred sixty-four million, seven hundred thirty-two thousand, six hundred twenty".