232221234 has 16 divisors (see below), whose sum is σ = 530791488. Its totient is φ = 66348912.

The previous prime is 232221233. The next prime is 232221257. The reversal of 232221234 is 432122232.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 232221234.

It is not an unprimeable number, because it can be changed into a prime (232221233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2764497 + ... + 2764580.

It is an arithmetic number, because the mean of its divisors is an integer number (33174468).

Almost surely, 2^232221234 is an apocalyptic number.

232221234 is an abundant number, since it is smaller than the sum of its proper divisors (298570254).

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

232221234 is a wasteful number, since it uses less digits than its factorization.

232221234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5529089.

The product of its digits is 1152, while the sum is 21.

The square root of 232221234 is about 15238.8068430570. The cubic root of 232221234 is about 614.6586194481.

Adding to 232221234 its reverse (432122232), we get a palindrome (664343466).

The spelling of 232221234 in words is "two hundred thirty-two million, two hundred twenty-one thousand, two hundred thirty-four".