22064606617715 has 4 divisors (see below), whose sum is σ = 26477527941264. Its totient is φ = 17651685294168.

The previous prime is 22064606617667. The next prime is 22064606617727. The reversal of 22064606617715 is 51771660646022.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22064606617715 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2206460661767 + ... + 2206460661776.

It is an arithmetic number, because the mean of its divisors is an integer number (6619381985316).

Almost surely, 2^{22064606617715} is an apocalyptic number.

22064606617715 is a deficient number, since it is larger than the sum of its proper divisors (4412921323549).

22064606617715 is an equidigital number, since it uses as much as digits as its factorization.

22064606617715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4412921323548.

The product of its (nonzero) digits is 5080320, while the sum is 53.

The spelling of 22064606617715 in words is "twenty-two trillion, sixty-four billion, six hundred six million, six hundred seventeen thousand, seven hundred fifteen".