22734587665 has 8 divisors (see below), whose sum is σ = 27359677800. Its totient is φ = 18135555072.

The previous prime is 22734587653. The next prime is 22734587683. The reversal of 22734587665 is 56678543722.

It can be written as a sum of positive squares in 4 ways, for example, as 11268247104 + 11466340561 = 106152^2 + 107081^2 .

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 22734587665 - 2⁷ = 22734587537 is a prime.

It is a super-2 number, since 2×22734587665² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6512464 + ... + 6515953.

It is an arithmetic number, because the mean of its divisors is an integer number (3419959725).

Almost surely, 2^22734587665 is an apocalyptic number.

It is an amenable number.

22734587665 is a deficient number, since it is larger than the sum of its proper divisors (4625090135).

22734587665 is a wasteful number, since it uses less digits than its factorization.

22734587665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13028771.

The product of its digits is 16934400, while the sum is 55.

The spelling of 22734587665 in words is "twenty-two billion, seven hundred thirty-four million, five hundred eighty-seven thousand, six hundred sixty-five".