232225531 has 4 divisors (see below), whose sum is σ = 232309672. Its totient is φ = 232141392.

The previous prime is 232225529. The next prime is 232225541. The reversal of 232225531 is 135522232.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 232225531 - 2¹ = 232225529 is a prime.

It is a super-2 number, since 2×232225531² = 107857394496463922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 232225496 and 232225505.

It is not an unprimeable number, because it can be changed into a prime (232225541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37785 + ... + 43498.

It is an arithmetic number, because the mean of its divisors is an integer number (58077418).

Almost surely, 2^232225531 is an apocalyptic number.

232225531 is a deficient number, since it is larger than the sum of its proper divisors (84141).

232225531 is an equidigital number, since it uses as much as digits as its factorization.

232225531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84140.

The product of its digits is 3600, while the sum is 25.

The square root of 232225531 is about 15238.9478311332. The cubic root of 232225531 is about 614.6624106199.

Adding to 232225531 its reverse (135522232), we get a palindrome (367747763).

The spelling of 232225531 in words is "two hundred thirty-two million, two hundred twenty-five thousand, five hundred thirty-one".