22056513615 has 48 divisors (see below), whose sum is σ = 39569044320. Its totient is φ = 11352257280.

The previous prime is 22056513599. The next prime is 22056513617. The reversal of 22056513615 is 51631565022.

22056513615 is a `hidden beast` number, since 2 + 20 + 5 + 6 + 5 + 13 + 615 = 666.

It is not a de Polignac number, because 22056513615 - 2⁴ = 22056513599 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22056513615.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22056513617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4657789 + ... + 4662521.

It is an arithmetic number, because the mean of its divisors is an integer number (824355090).

Almost surely, 2^22056513615 is an apocalyptic number.

22056513615 is a deficient number, since it is larger than the sum of its proper divisors (17512530705).

22056513615 is a wasteful number, since it uses less digits than its factorization.

22056513615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8344 (or 8341 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The spelling of 22056513615 in words is "twenty-two billion, fifty-six million, five hundred thirteen thousand, six hundred fifteen".