225039715 has 4 divisors (see below), whose sum is σ = 270047664. Its totient is φ = 180031768.

The previous prime is 225039701. The next prime is 225039719. The reversal of 225039715 is 517930522.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 225039715 - 2⁹ = 225039203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225039719) 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, 22503967 + ... + 22503976.

It is an arithmetic number, because the mean of its divisors is an integer number (67511916).

Almost surely, 2^225039715 is an apocalyptic number.

225039715 is a deficient number, since it is larger than the sum of its proper divisors (45007949).

225039715 is an equidigital number, since it uses as much as digits as its factorization.

225039715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45007948.

The product of its (nonzero) digits is 18900, while the sum is 34.

The square root of 225039715 is about 15001.3237749207. The cubic root of 225039715 is about 608.2559833264.

The spelling of 225039715 in words is "two hundred twenty-five million, thirty-nine thousand, seven hundred fifteen".