232218225 has 48 divisors (see below), whose sum is σ = 441340800. Its totient is φ = 119568960.

The previous prime is 232218223. The next prime is 232218251. The reversal of 232218225 is 522812232.

It is not a de Polignac number, because 232218225 - 2¹ = 232218223 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (232218221) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13644 + ... + 25506.

It is an arithmetic number, because the mean of its divisors is an integer number (9194600).

Almost surely, 2^232218225 is an apocalyptic number.

232218225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

232218225 is a deficient number, since it is larger than the sum of its proper divisors (209122575).

232218225 is a wasteful number, since it uses less digits than its factorization.

232218225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11911 (or 11900 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 232218225 is about 15238.7081145352. The cubic root of 232218225 is about 614.6559646294.

The spelling of 232218225 in words is "two hundred thirty-two million, two hundred eighteen thousand, two hundred twenty-five".