22563620361 has 16 divisors (see below), whose sum is σ = 33488718400. Its totient is φ = 15014903904.

The previous prime is 22563620357. The next prime is 22563620369. The reversal of 22563620361 is 16302636522.

22563620361 is a `hidden beast` number, since 2 + 2 + 563 + 62 + 0 + 36 + 1 = 666.

It is not a de Polignac number, because 22563620361 - 2² = 22563620357 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22563620369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 749116 + ... + 778653.

It is an arithmetic number, because the mean of its divisors is an integer number (2093044900).

Almost surely, 2^22563620361 is an apocalyptic number.

It is an amenable number.

22563620361 is a deficient number, since it is larger than the sum of its proper divisors (10925098039).

22563620361 is a wasteful number, since it uses less digits than its factorization.

22563620361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1528325 (or 1528319 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

The spelling of 22563620361 in words is "twenty-two billion, five hundred sixty-three million, six hundred twenty thousand, three hundred sixty-one".