225931730 has 32 divisors (see below), whose sum is σ = 419973120. Its totient is φ = 87454080.

The previous prime is 225931723. The next prime is 225931733. The reversal of 225931730 is 37139522.

225931730 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (225931733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49901 + ... + 54239.

It is an arithmetic number, because the mean of its divisors is an integer number (13124160).

Almost surely, 2^225931730 is an apocalyptic number.

225931730 is a deficient number, since it is larger than the sum of its proper divisors (194041390).

225931730 is a wasteful number, since it uses less digits than its factorization.

225931730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4514.

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 225931730 is about 15031.0255804453. The cubic root of 225931730 is about 609.0585944702.

The spelling of 225931730 in words is "two hundred twenty-five million, nine hundred thirty-one thousand, seven hundred thirty".