22155500253 has 8 divisors (see below), whose sum is σ = 29576651616. Its totient is φ = 14752341200.

The previous prime is 22155500251. The next prime is 22155500273. The reversal of 22155500253 is 35200555122.

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 22155500253 - 2¹ = 22155500251 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22155500253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22155500251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4495203 + ... + 4500128.

It is an arithmetic number, because the mean of its divisors is an integer number (3697081452).

Almost surely, 2^22155500253 is an apocalyptic number.

It is an amenable number.

22155500253 is a deficient number, since it is larger than the sum of its proper divisors (7421151363).

22155500253 is an equidigital number, since it uses as much as digits as its factorization.

22155500253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8996155.

The product of its (nonzero) digits is 15000, while the sum is 30.

The spelling of 22155500253 in words is "twenty-two billion, one hundred fifty-five million, five hundred thousand, two hundred fifty-three".