225937915 has 16 divisors (see below), whose sum is σ = 311838912. Its totient is φ = 153938304.

The previous prime is 225937913. The next prime is 225937919. The reversal of 225937915 is 519739522.

It is a cyclic number.

It is not a de Polignac number, because 225937915 - 2¹ = 225937913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (225937913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15064 + ... + 26053.

It is an arithmetic number, because the mean of its divisors is an integer number (19489932).

Almost surely, 2^225937915 is an apocalyptic number.

225937915 is a deficient number, since it is larger than the sum of its proper divisors (85900997).

225937915 is a wasteful number, since it uses less digits than its factorization.

225937915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41286.

The product of its digits is 170100, while the sum is 43.

The square root of 225937915 is about 15031.2313201547. The cubic root of 225937915 is about 609.0641521860.

The spelling of 225937915 in words is "two hundred twenty-five million, nine hundred thirty-seven thousand, nine hundred fifteen".