225440715 has 16 divisors (see below), whose sum is σ = 361440000. Its totient is φ = 119990112.

The previous prime is 225440669. The next prime is 225440767. The reversal of 225440715 is 517044522.

It is not a de Polignac number, because 225440715 - 2⁹ = 225440203 is a prime.

It is a super-2 number, since 2×225440715² = 101647031959422450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7575 + ... + 22544.

It is an arithmetic number, because the mean of its divisors is an integer number (22590000).

Almost surely, 2^225440715 is an apocalyptic number.

225440715 is a deficient number, since it is larger than the sum of its proper divisors (135999285).

225440715 is a wasteful number, since it uses less digits than its factorization.

225440715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30626.

The product of its (nonzero) digits is 11200, while the sum is 30.

The square root of 225440715 is about 15014.6833133436. The cubic root of 225440715 is about 608.6170542854.

The spelling of 225440715 in words is "two hundred twenty-five million, four hundred forty thousand, seven hundred fifteen".