22720475499 has 8 divisors (see below), whose sum is σ = 31032844752. Its totient is φ = 14777544960.

The previous prime is 22720475483. The next prime is 22720475507. The reversal of 22720475499 is 99457402722.

It is a happy number.

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

It is not a de Polignac number, because 22720475499 - 2⁴ = 22720475483 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22720475419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92359534 + ... + 92359779.

It is an arithmetic number, because the mean of its divisors is an integer number (3879105594).

Almost surely, 2^22720475499 is an apocalyptic number.

22720475499 is a deficient number, since it is larger than the sum of its proper divisors (8312369253).

22720475499 is a wasteful number, since it uses less digits than its factorization.

22720475499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184719357.

The product of its (nonzero) digits is 2540160, while the sum is 51.

The spelling of 22720475499 in words is "twenty-two billion, seven hundred twenty million, four hundred seventy-five thousand, four hundred ninety-nine".