225667930 has 16 divisors (see below), whose sum is σ = 406380744. Its totient is φ = 90227520.

The previous prime is 225667919. The next prime is 225667931. The reversal of 225667930 is 39766522.

It can be written as a sum of positive squares in 4 ways, for example, as 202464441 + 23203489 = 14229^2 + 4817^2 .

It is not an unprimeable number, because it can be changed into a prime (225667931) 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 7 ways as a sum of consecutive naturals, for example, 32224 + ... + 38596.

Almost surely, 2^225667930 is an apocalyptic number.

225667930 is a deficient number, since it is larger than the sum of its proper divisors (180712814).

225667930 is a wasteful number, since it uses less digits than its factorization.

225667930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9921.

The product of its (nonzero) digits is 136080, while the sum is 40.

The square root of 225667930 is about 15022.2478344621. The cubic root of 225667930 is about 608.8214546479.

The spelling of 225667930 in words is "two hundred twenty-five million, six hundred sixty-seven thousand, nine hundred thirty".