22709742475 has 12 divisors (see below), whose sum is σ = 32182949584. Its totient is φ = 15572394720.

The previous prime is 22709742467. The next prime is 22709742479. The reversal of 22709742475 is 57424790722.

It is not a de Polignac number, because 22709742475 - 2³ = 22709742467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22709742479) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64884804 + ... + 64885153.

Almost surely, 2^22709742475 is an apocalyptic number.

22709742475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

22709742475 is a deficient number, since it is larger than the sum of its proper divisors (9473207109).

22709742475 is a wasteful number, since it uses less digits than its factorization.

22709742475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129769974 (or 129769969 counting only the distinct ones).

The product of its (nonzero) digits is 1975680, while the sum is 49.

The spelling of 22709742475 in words is "twenty-two billion, seven hundred nine million, seven hundred forty-two thousand, four hundred seventy-five".