22958137505 has 4 divisors (see below), whose sum is σ = 27549765012. Its totient is φ = 18366510000.

The previous prime is 22958137487. The next prime is 22958137519. The reversal of 22958137505 is 50573185922.

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 18022794001 + 4935343504 = 134249^2 + 70252^2 .

It is not a de Polignac number, because 22958137505 - 2⁸ = 22958137249 is a prime.

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 22958137505.

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, 2295813746 + ... + 2295813755.

It is an arithmetic number, because the mean of its divisors is an integer number (6887441253).

Almost surely, 2^22958137505 is an apocalyptic number.

It is an amenable number.

22958137505 is a deficient number, since it is larger than the sum of its proper divisors (4591627507).

22958137505 is an equidigital number, since it uses as much as digits as its factorization.

22958137505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4591627506.

The product of its (nonzero) digits is 756000, while the sum is 47.

The spelling of 22958137505 in words is "twenty-two billion, nine hundred fifty-eight million, one hundred thirty-seven thousand, five hundred five".