22202045552225 has 72 divisors (see below), whose sum is σ = 36225381659328. Its totient is φ = 13111802294400.

The previous prime is 22202045552177. The next prime is 22202045552237. The reversal of 22202045552225 is 52225554020222.

It is not a de Polignac number, because 22202045552225 - 2¹² = 22202045548129 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 15279494 + ... + 16669343.

It is an arithmetic number, because the mean of its divisors is an integer number (503130300824).

Almost surely, 2^{22202045552225} is an apocalyptic number.

22202045552225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22202045552225 is a deficient number, since it is larger than the sum of its proper divisors (14023336107103).

22202045552225 is a wasteful number, since it uses less digits than its factorization.

22202045552225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31948903 (or 31948879 counting only the distinct ones).

The product of its (nonzero) digits is 320000, while the sum is 38.

Adding to 22202045552225 its reverse (52225554020222), we get a palindrome (74427599572447).

The spelling of 22202045552225 in words is "twenty-two trillion, two hundred two billion, forty-five million, five hundred fifty-two thousand, two hundred twenty-five".