225513332 has 24 divisors (see below), whose sum is σ = 439689600. Its totient is φ = 100324160.

The previous prime is 225513319. The next prime is 225513341. The reversal of 225513332 is 233315522.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52457 + ... + 56592.

It is an arithmetic number, because the mean of its divisors is an integer number (18320400).

Almost surely, 2^225513332 is an apocalyptic number.

225513332 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

225513332 is a deficient number, since it is larger than the sum of its proper divisors (214176268).

225513332 is a wasteful number, since it uses less digits than its factorization.

225513332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109111 (or 109109 counting only the distinct ones).

The product of its digits is 5400, while the sum is 26.

The square root of 225513332 is about 15017.1013181639. The cubic root of 225513332 is about 608.6823947456.

Adding to 225513332 its reverse (233315522), we get a palindrome (458828854).

The spelling of 225513332 in words is "two hundred twenty-five million, five hundred thirteen thousand, three hundred thirty-two".