22373216064 has 168 divisors, whose sum is σ = 67194062208. Its totient is φ = 7380357120.

The previous prime is 22373216023. The next prime is 22373216081. The reversal of 22373216064 is 46061237322.

22373216064 is a `hidden beast` number, since 2 + 23 + 7 + 3 + 21 + 606 + 4 = 666.

It is a super-4 number, since 4×22373216064⁴ (a number of 43 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1501129 + ... + 1515959.

It is an arithmetic number, because the mean of its divisors is an integer number (399964656).

Almost surely, 2^22373216064 is an apocalyptic number.

22373216064 is a gapful number since it is divisible by the number (24) 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 22373216064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33597031104).

22373216064 is an abundant number, since it is smaller than the sum of its proper divisors (44820846144).

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

22373216064 is an equidigital number, since it uses as much as digits as its factorization.

22373216064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14955 (or 14933 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 36.

The spelling of 22373216064 in words is "twenty-two billion, three hundred seventy-three million, two hundred sixteen thousand, sixty-four".