22606579221 has 32 divisors (see below), whose sum is σ = 33550970880. Its totient is φ = 13480214400.

The previous prime is 22606579207. The next prime is 22606579231. The reversal of 22606579221 is 12297560622.

It is not a de Polignac number, because 22606579221 - 2¹⁷ = 22606448149 is a prime.

It is a super-2 number, since 2×22606579221² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22606579201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 83575 + ... + 228468.

It is an arithmetic number, because the mean of its divisors is an integer number (1048467840).

Almost surely, 2^22606579221 is an apocalyptic number.

It is an amenable number.

22606579221 is a deficient number, since it is larger than the sum of its proper divisors (10944391659).

22606579221 is a wasteful number, since it uses less digits than its factorization.

22606579221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312137.

The product of its (nonzero) digits is 181440, while the sum is 42.

The spelling of 22606579221 in words is "twenty-two billion, six hundred six million, five hundred seventy-nine thousand, two hundred twenty-one".