225116232 has 64 divisors (see below), whose sum is σ = 622416960. Its totient is φ = 67276800.

The previous prime is 225116197. The next prime is 225116233. The reversal of 225116232 is 232611522.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (225116233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13432 + ... + 25112.

It is an arithmetic number, because the mean of its divisors is an integer number (9725265).

Almost surely, 2^225116232 is an apocalyptic number.

225116232 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 225116232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (311208480).

225116232 is an abundant number, since it is smaller than the sum of its proper divisors (397300728).

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

225116232 is a wasteful number, since it uses less digits than its factorization.

225116232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11774 (or 11770 counting only the distinct ones).

The product of its digits is 1440, while the sum is 24.

The square root of 225116232 is about 15003.8738997634. The cubic root of 225116232 is about 608.3249143432.

Adding to 225116232 its reverse (232611522), we get a palindrome (457727754).

The spelling of 225116232 in words is "two hundred twenty-five million, one hundred sixteen thousand, two hundred thirty-two".