225340515 has 32 divisors (see below), whose sum is σ = 401241600. Its totient is φ = 119990880.

The previous prime is 225340487. The next prime is 225340523. The reversal of 225340515 is 515043522.

It is a happy number.

225340515 is a `hidden beast` number, since 2 + 253 + 405 + 1 + 5 = 666.

It is not a de Polignac number, because 225340515 - 2¹⁷ = 225209443 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 138376 + ... + 139994.

It is an arithmetic number, because the mean of its divisors is an integer number (12538800).

Almost surely, 2^225340515 is an apocalyptic number.

225340515 is a deficient number, since it is larger than the sum of its proper divisors (175901085).

225340515 is a wasteful number, since it uses less digits than its factorization.

225340515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2664 (or 2658 counting only the distinct ones).

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

The square root of 225340515 is about 15011.3462087849. The cubic root of 225340515 is about 608.5268717201.

The spelling of 225340515 in words is "two hundred twenty-five million, three hundred forty thousand, five hundred fifteen".