22615656159 has 8 divisors (see below), whose sum is σ = 30155528880. Its totient is φ = 15076443776.

The previous prime is 22615656137. The next prime is 22615656163. The reversal of 22615656159 is 95165651622.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22615656159 - 2³¹ = 20468172511 is a prime.

It is a super-2 number, since 2×22615656159² (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 (22615656179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78714 + ... + 226775.

It is an arithmetic number, because the mean of its divisors is an integer number (3769441110).

Almost surely, 2^22615656159 is an apocalyptic number.

22615656159 is a deficient number, since it is larger than the sum of its proper divisors (7539872721).

22615656159 is a wasteful number, since it uses less digits than its factorization.

22615656159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330169.

The product of its digits is 972000, while the sum is 48.

The spelling of 22615656159 in words is "twenty-two billion, six hundred fifteen million, six hundred fifty-six thousand, one hundred fifty-nine".