22579648209 has 48 divisors (see below), whose sum is σ = 34643202048. Its totient is φ = 14689948752.

The previous prime is 22579648199. The next prime is 22579648229. The reversal of 22579648209 is 90284697522.

22579648209 is a `hidden beast` number, since 2 + 2 + 579 + 6 + 48 + 20 + 9 = 666.

It is not a de Polignac number, because 22579648209 - 2⁴ = 22579648193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22579648229) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4188814 + ... + 4194200.

It is an arithmetic number, because the mean of its divisors is an integer number (721733376).

Almost surely, 2^22579648209 is an apocalyptic number.

It is an amenable number.

22579648209 is a deficient number, since it is larger than the sum of its proper divisors (12063553839).

22579648209 is an equidigital number, since it uses as much as digits as its factorization.

22579648209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5816 (or 5804 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 54.

The spelling of 22579648209 in words is "twenty-two billion, five hundred seventy-nine million, six hundred forty-eight thousand, two hundred nine".