225132372 has 60 divisors (see below), whose sum is σ = 614149536. Its totient is φ = 71778960.

The previous prime is 225132337. The next prime is 225132373. The reversal of 225132372 is 273231522.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225132373) 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 19 ways as a sum of consecutive naturals, for example, 7654 + ... + 22557.

Almost surely, 2^225132372 is an apocalyptic number.

It is an amenable number.

225132372 is an abundant number, since it is smaller than the sum of its proper divisors (389017164).

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

225132372 is a wasteful number, since it uses less digits than its factorization.

225132372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30250 (or 30239 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 225132372 is about 15004.4117512150. The cubic root of 225132372 is about 608.3394522101.

Adding to 225132372 its reverse (273231522), we get a palindrome (498363894).

The spelling of 225132372 in words is "two hundred twenty-five million, one hundred thirty-two thousand, three hundred seventy-two".