225311332 has 12 divisors (see below), whose sum is σ = 398725740. Its totient is φ = 111389696.

The previous prime is 225311327. The next prime is 225311363. The reversal of 225311332 is 233113522.

It can be written as a sum of positive squares in 2 ways, for example, as 12559936 + 212751396 = 3544^2 + 14586^2 .

It is a super-2 number, since 2×225311332² = 101530392655228448, which contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 316093 + ... + 316804.

It is an arithmetic number, because the mean of its divisors is an integer number (33227145).

Almost surely, 2^225311332 is an apocalyptic number.

It is an amenable number.

225311332 is a deficient number, since it is larger than the sum of its proper divisors (173414408).

225311332 is a wasteful number, since it uses less digits than its factorization.

225311332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632990 (or 632988 counting only the distinct ones).

The product of its digits is 1080, while the sum is 22.

The square root of 225311332 is about 15010.3741459032. The cubic root of 225311332 is about 608.5006012462.

Adding to 225311332 its reverse (233113522), we get a palindrome (458424854).

The spelling of 225311332 in words is "two hundred twenty-five million, three hundred eleven thousand, three hundred thirty-two".