22791715722 has 12 divisors (see below), whose sum is σ = 49382050770. Its totient is φ = 7597238568.

The previous prime is 22791715721. The next prime is 22791715763. The reversal of 22791715722 is 22751719722.

22791715722 is a `hidden beast` number, since 2 + 2 + 7 + 9 + 1 + 71 + 572 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 21930351921 + 861363801 = 148089^2 + 29349^2 .

It is not an unprimeable number, because it can be changed into a prime (22791715721) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 633103197 + ... + 633103232.

Almost surely, 2^22791715722 is an apocalyptic number.

22791715722 is an abundant number, since it is smaller than the sum of its proper divisors (26590335048).

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

22791715722 is a wasteful number, since it uses less digits than its factorization.

22791715722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1266206437 (or 1266206434 counting only the distinct ones).

The product of its digits is 246960, while the sum is 45.

The spelling of 22791715722 in words is "twenty-two billion, seven hundred ninety-one million, seven hundred fifteen thousand, seven hundred twenty-two".