22312562505 has 16 divisors (see below), whose sum is σ = 37579053120. Its totient is φ = 11273715648.

The previous prime is 22312562477. The next prime is 22312562537. The reversal of 22312562505 is 50526521322.

It is not a de Polignac number, because 22312562505 - 2¹⁷ = 22312431433 is a prime.

It is a super-3 number, since 3×22312562505³ (a number of 32 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39144562 + ... + 39145131.

It is an arithmetic number, because the mean of its divisors is an integer number (2348690820).

Almost surely, 2^22312562505 is an apocalyptic number.

It is an amenable number.

22312562505 is a deficient number, since it is larger than the sum of its proper divisors (15266490615).

22312562505 is a wasteful number, since it uses less digits than its factorization.

22312562505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78289720.

The product of its (nonzero) digits is 36000, while the sum is 33.

The spelling of 22312562505 in words is "twenty-two billion, three hundred twelve million, five hundred sixty-two thousand, five hundred five".