22622472864 has 72 divisors (see below), whose sum is σ = 65147060160. Its totient is φ = 7445363328.

The previous prime is 22622472863. The next prime is 22622472881. The reversal of 22622472864 is 46827422622.

It is a tau number, because it is divible by the number of its divisors (72).

It is not an unprimeable number, because it can be changed into a prime (22622472863) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 474402 + ... + 519905.

It is an arithmetic number, because the mean of its divisors is an integer number (904820280).

Almost surely, 2^22622472864 is an apocalyptic number.

22622472864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22622472864 is an abundant number, since it is smaller than the sum of its proper divisors (42524587296).

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

22622472864 is a wasteful number, since it uses less digits than its factorization.

22622472864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 994402 (or 994391 counting only the distinct ones).

The product of its digits is 1032192, while the sum is 45.

The spelling of 22622472864 in words is "twenty-two billion, six hundred twenty-two million, four hundred seventy-two thousand, eight hundred sixty-four".