225144332 has 24 divisors (see below), whose sum is σ = 469867776. Its totient is φ = 92294928.

The previous prime is 225144323. The next prime is 225144347. The reversal of 225144332 is 233441522.

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, 174158 + ... + 175445.

It is an arithmetic number, because the mean of its divisors is an integer number (19577824).

Almost surely, 2^225144332 is an apocalyptic number.

It is an amenable number.

225144332 is an abundant number, since it is smaller than the sum of its proper divisors (244723444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

225144332 is a wasteful number, since it uses less digits than its factorization.

225144332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349637 (or 349635 counting only the distinct ones).

The product of its digits is 5760, while the sum is 26.

The square root of 225144332 is about 15004.8102953686. The cubic root of 225144332 is about 608.3502245555.

Adding to 225144332 its reverse (233441522), we get a palindrome (458585854).

The spelling of 225144332 in words is "two hundred twenty-five million, one hundred forty-four thousand, three hundred thirty-two".