225270331 has 16 divisors (see below), whose sum is σ = 265130208. Its totient is φ = 188697600.

The previous prime is 225270329. The next prime is 225270337. The reversal of 225270331 is 133072522.

It is not a de Polignac number, because 225270331 - 2¹ = 225270329 is a prime.

It is a super-2 number, since 2×225270331² = 101493444057699122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 225270296 and 225270305.

It is not an unprimeable number, because it can be changed into a prime (225270337) 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, 107211 + ... + 109291.

It is an arithmetic number, because the mean of its divisors is an integer number (16570638).

Almost surely, 2^225270331 is an apocalyptic number.

225270331 is a deficient number, since it is larger than the sum of its proper divisors (39859877).

225270331 is a wasteful number, since it uses less digits than its factorization.

225270331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2862.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 225270331 is about 15009.0083283340. The cubic root of 225270331 is about 608.4636884014.

The spelling of 225270331 in words is "two hundred twenty-five million, two hundred seventy thousand, three hundred thirty-one".