222432525 has 72 divisors (see below), whose sum is σ = 479344320. Its totient is φ = 96318720.

The previous prime is 222432473. The next prime is 222432527. The reversal of 222432525 is 525234222.

222432525 is a `hidden beast` number, since 222 + 432 + 5 + 2 + 5 = 666.

It is not a de Polignac number, because 222432525 - 2⁸ = 222432269 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222432527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 26209 + ... + 33641.

It is an arithmetic number, because the mean of its divisors is an integer number (6657560).

Almost surely, 2^222432525 is an apocalyptic number.

222432525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

222432525 is an abundant number, since it is smaller than the sum of its proper divisors (256911795).

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

222432525 is a wasteful number, since it uses less digits than its factorization.

222432525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7475 (or 7467 counting only the distinct ones).

The product of its digits is 9600, while the sum is 27.

The square root of 222432525 is about 14914.1719515366. The cubic root of 222432525 is about 605.8978767885.

Adding to 222432525 its reverse (525234222), we get a palindrome (747666747).

The spelling of 222432525 in words is "two hundred twenty-two million, four hundred thirty-two thousand, five hundred twenty-five".