22715415473 has 4 divisors (see below), whose sum is σ = 22840915188. Its totient is φ = 22589915760.

The previous prime is 22715415449. The next prime is 22715415517. The reversal of 22715415473 is 37451451722.

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

It can be written as a sum of positive squares in 2 ways, for example, as 11896919329 + 10818496144 = 109073^2 + 104012^2 .

It is a cyclic number.

It is not a de Polignac number, because 22715415473 - 2⁶ = 22715415409 is a prime.

It is a super-2 number, since 2×22715415473² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22715415473.

It is not an unprimeable number, because it can be changed into a prime (22715415673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62749586 + ... + 62749947.

It is an arithmetic number, because the mean of its divisors is an integer number (5710228797).

Almost surely, 2^22715415473 is an apocalyptic number.

It is an amenable number.

22715415473 is a deficient number, since it is larger than the sum of its proper divisors (125499715).

22715415473 is a wasteful number, since it uses less digits than its factorization.

22715415473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125499714.

The product of its digits is 235200, while the sum is 41.

The spelling of 22715415473 in words is "twenty-two billion, seven hundred fifteen million, four hundred fifteen thousand, four hundred seventy-three".