22201513253 has 4 divisors (see below), whose sum is σ = 22201816620. Its totient is φ = 22201209888.

The previous prime is 22201513249. The next prime is 22201513277. The reversal of 22201513253 is 35231510222.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 35231510222 = 2 ⋅17615755111.

It can be written as a sum of positive squares in 2 ways, for example, as 4646058244 + 17555455009 = 68162^2 + 132497^2 .

It is a cyclic number.

It is not a de Polignac number, because 22201513253 - 2² = 22201513249 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22201513283) 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, 33251 + ... + 213327.

It is an arithmetic number, because the mean of its divisors is an integer number (5550454155).

Almost surely, 2^22201513253 is an apocalyptic number.

It is an amenable number.

22201513253 is a deficient number, since it is larger than the sum of its proper divisors (303367).

22201513253 is a wasteful number, since it uses less digits than its factorization.

22201513253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303366.

The product of its (nonzero) digits is 3600, while the sum is 26.

The spelling of 22201513253 in words is "twenty-two billion, two hundred one million, five hundred thirteen thousand, two hundred fifty-three".