225993331 has 8 divisors (see below), whose sum is σ = 236125440. Its totient is φ = 215886792.

The previous prime is 225993323. The next prime is 225993347. The reversal of 225993331 is 133399522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 225993331 - 2³ = 225993323 is a prime.

It is a super-2 number, since 2×225993331² = 102145971312951122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225991331) 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, 12960 + ... + 24898.

It is an arithmetic number, because the mean of its divisors is an integer number (29515680).

Almost surely, 2^225993331 is an apocalyptic number.

225993331 is a deficient number, since it is larger than the sum of its proper divisors (10132109).

225993331 is a wasteful number, since it uses less digits than its factorization.

225993331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12785.

The product of its digits is 43740, while the sum is 37.

The square root of 225993331 is about 15033.0745690960. The cubic root of 225993331 is about 609.1139433569.

The spelling of 225993331 in words is "two hundred twenty-five million, nine hundred ninety-three thousand, three hundred thirty-one".