22747664277 has 24 divisors (see below), whose sum is σ = 35390779424. Its totient is φ = 13996377504.

The previous prime is 22747664273. The next prime is 22747664323. The reversal of 22747664277 is 77246674722.

It is not a de Polignac number, because 22747664277 - 2² = 22747664273 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22747664273) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1064298 + ... + 1085460.

Almost surely, 2^22747664277 is an apocalyptic number.

It is an amenable number.

22747664277 is a deficient number, since it is larger than the sum of its proper divisors (12643115147).

22747664277 is a wasteful number, since it uses less digits than its factorization.

22747664277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30369 (or 30366 counting only the distinct ones).

The product of its digits is 11063808, while the sum is 54.

The spelling of 22747664277 in words is "twenty-two billion, seven hundred forty-seven million, six hundred sixty-four thousand, two hundred seventy-seven".