22774792320 has 1152 divisors, whose sum is σ = 100131033600. Its totient is φ = 4737761280.

The previous prime is 22774792297. The next prime is 22774792331. The reversal of 22774792320 is 2329747722.

It is a tau number, because it is divible by the number of its divisors (1152).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 166239292 + ... + 166239428.

It is an arithmetic number, because the mean of its divisors is an integer number (86919300).

Almost surely, 2^22774792320 is an apocalyptic number.

22774792320 is a gapful number since it is divisible by the number (20) 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 22774792320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50065516800).

22774792320 is an abundant number, since it is smaller than the sum of its proper divisors (77356241280).

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

22774792320 is a wasteful number, since it uses less digits than its factorization.

22774792320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226 (or 204 counting only the distinct ones).

The product of its (nonzero) digits is 592704, while the sum is 45.

The spelling of 22774792320 in words is "twenty-two billion, seven hundred seventy-four million, seven hundred ninety-two thousand, three hundred twenty".