22777798954 has 8 divisors (see below), whose sum is σ = 34384321188. Its totient is φ = 11316358560.

The previous prime is 22777798949. The next prime is 22777798961. The reversal of 22777798954 is 45989777722.

It can be written as a sum of positive squares in 2 ways, for example, as 19410898329 + 3366900625 = 139323^2 + 58025^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 22777798954.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36270067 + ... + 36270694.

Almost surely, 2^22777798954 is an apocalyptic number.

22777798954 is a deficient number, since it is larger than the sum of its proper divisors (11606522234).

22777798954 is a wasteful number, since it uses less digits than its factorization.

22777798954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72540920.

The product of its digits is 124467840, while the sum is 67.

The spelling of 22777798954 in words is "twenty-two billion, seven hundred seventy-seven million, seven hundred ninety-eight thousand, nine hundred fifty-four".