225039955 has 16 divisors (see below), whose sum is σ = 308931840. Its totient is φ = 154160352.

The previous prime is 225039937. The next prime is 225039959. The reversal of 225039955 is 559930522.

It is a cyclic number.

It is not a de Polignac number, because 225039955 - 2⁵ = 225039923 is a prime.

It is not an unprimeable number, because it can be changed into a prime (225039959) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41512 + ... + 46618.

It is an arithmetic number, because the mean of its divisors is an integer number (19308240).

Almost surely, 2^225039955 is an apocalyptic number.

225039955 is a deficient number, since it is larger than the sum of its proper divisors (83891885).

225039955 is a wasteful number, since it uses less digits than its factorization.

225039955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6378.

The product of its (nonzero) digits is 121500, while the sum is 40.

The square root of 225039955 is about 15001.3317742126. The cubic root of 225039955 is about 608.2561995570.

The spelling of 225039955 in words is "two hundred twenty-five million, thirty-nine thousand, nine hundred fifty-five".