22774564624 has 160 divisors (see below), whose sum is σ = 56353536000. Its totient is φ = 8680089600.

The previous prime is 22774564609. The next prime is 22774564669. The reversal of 22774564624 is 42646547722.

It is a super-2 number, since 2×22774564624² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21668899 + ... + 21669949.

It is an arithmetic number, because the mean of its divisors is an integer number (352209600).

Almost surely, 2^22774564624 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22774564624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28176768000).

22774564624 is an abundant number, since it is smaller than the sum of its proper divisors (33578971376).

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

22774564624 is a wasteful number, since it uses less digits than its factorization.

22774564624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1701 (or 1695 counting only the distinct ones).

The product of its digits is 4515840, while the sum is 49.

The spelling of 22774564624 in words is "twenty-two billion, seven hundred seventy-four million, five hundred sixty-four thousand, six hundred twenty-four".