225907994 has 16 divisors (see below), whose sum is σ = 366666720. Its totient is φ = 103768560.

The previous prime is 225907993. The next prime is 225908003. The reversal of 225907994 is 499709522.

It is not an unprimeable number, because it can be changed into a prime (225907993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15104 + ... + 26075.

It is an arithmetic number, because the mean of its divisors is an integer number (22916670).

Almost surely, 2^225907994 is an apocalyptic number.

225907994 is a deficient number, since it is larger than the sum of its proper divisors (140758726).

225907994 is a wasteful number, since it uses less digits than its factorization.

225907994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41405.

The product of its (nonzero) digits is 408240, while the sum is 47.

The square root of 225907994 is about 15030.2359928246. The cubic root of 225907994 is about 609.0372648395.

The spelling of 225907994 in words is "two hundred twenty-five million, nine hundred seven thousand, nine hundred ninety-four".