22250502513 has 12 divisors (see below), whose sum is σ = 34030180548. Its totient is φ = 13961099520.

The previous prime is 22250502511. The next prime is 22250502553. The reversal of 22250502513 is 31520505222.

It can be written as a sum of positive squares in 2 ways, for example, as 11212268544 + 11038233969 = 105888^2 + 105063^2 .

It is not a de Polignac number, because 22250502513 - 2¹ = 22250502511 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22250502511) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72713908 + ... + 72714213.

It is an arithmetic number, because the mean of its divisors is an integer number (2835848379).

Almost surely, 2^22250502513 is an apocalyptic number.

It is an amenable number.

22250502513 is a deficient number, since it is larger than the sum of its proper divisors (11779678035).

22250502513 is a wasteful number, since it uses less digits than its factorization.

22250502513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145428144 (or 145428141 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The spelling of 22250502513 in words is "twenty-two billion, two hundred fifty million, five hundred two thousand, five hundred thirteen".