22774868664 has 96 divisors (see below), whose sum is σ = 58104614400. Its totient is φ = 7438685760.

The previous prime is 22774868621. The next prime is 22774868759. The reversal of 22774868664 is 46686847722.

It is a junction number, because it is equal to n+sod(n) for n = 22774868598 and 22774868607.

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, 22981209 + ... + 22982199.

It is an arithmetic number, because the mean of its divisors is an integer number (605256400).

Almost surely, 2^22774868664 is an apocalyptic number.

22774868664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22774868664 is an abundant number, since it is smaller than the sum of its proper divisors (35329745736).

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

22774868664 is a wasteful number, since it uses less digits than its factorization.

22774868664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1305 (or 1218 counting only the distinct ones).

The product of its digits is 43352064, while the sum is 60.

The spelling of 22774868664 in words is "twenty-two billion, seven hundred seventy-four million, eight hundred sixty-eight thousand, six hundred sixty-four".