22399475617 has 4 divisors (see below), whose sum is σ = 22499921920. Its totient is φ = 22299029316.

The previous prime is 22399475597. The next prime is 22399475627. The reversal of 22399475617 is 71657499322.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 71657499322 = 2 ⋅35828749661.

It is a cyclic number.

It is not a de Polignac number, because 22399475617 - 2²³ = 22391087009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22399475627) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50222817 + ... + 50223262.

It is an arithmetic number, because the mean of its divisors is an integer number (5624980480).

Almost surely, 2^22399475617 is an apocalyptic number.

It is an amenable number.

22399475617 is a deficient number, since it is larger than the sum of its proper divisors (100446303).

22399475617 is a wasteful number, since it uses less digits than its factorization.

22399475617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100446302.

The product of its digits is 5715360, while the sum is 55.

The spelling of 22399475617 in words is "twenty-two billion, three hundred ninety-nine million, four hundred seventy-five thousand, six hundred seventeen".