2815372225 has 12 divisors (see below), whose sum is σ = 3496831744. Its totient is φ = 2248575120.

The previous prime is 2815372187. The next prime is 2815372237. The reversal of 2815372225 is 5222735182.

It is not a de Polignac number, because 2815372225 - 2⁷ = 2815372097 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 77589 + ... + 107938.

Almost surely, 2^2815372225 is an apocalyptic number.

2815372225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2815372225 is a deficient number, since it is larger than the sum of its proper divisors (681459519).

2815372225 is a wasteful number, since it uses less digits than its factorization.

2815372225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186144 (or 186139 counting only the distinct ones).

The product of its digits is 67200, while the sum is 37.

The square root of 2815372225 is about 53060.0812758518. The cubic root of 2815372225 is about 1412.0343895690.

The spelling of 2815372225 in words is "two billion, eight hundred fifteen million, three hundred seventy-two thousand, two hundred twenty-five".