22609772361 has 48 divisors (see below), whose sum is σ = 37533450240. Its totient is φ = 12971028960.

The previous prime is 22609772333. The next prime is 22609772401. The reversal of 22609772361 is 16327790622.

22609772361 is a `hidden beast` number, since 2 + 2 + 609 + 7 + 7 + 2 + 36 + 1 = 666.

It is not a de Polignac number, because 22609772361 - 2²⁵ = 22576217929 is a prime.

It is a super-2 number, since 2×22609772361² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22609772461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2672440 + ... + 2680886.

It is an arithmetic number, because the mean of its divisors is an integer number (781946880).

Almost surely, 2^22609772361 is an apocalyptic number.

It is an amenable number.

22609772361 is a deficient number, since it is larger than the sum of its proper divisors (14923677879).

22609772361 is a wasteful number, since it uses less digits than its factorization.

22609772361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9906 (or 9903 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 45.

The spelling of 22609772361 in words is "twenty-two billion, six hundred nine million, seven hundred seventy-two thousand, three hundred sixty-one".