222232233232 has 80 divisors (see below), whose sum is σ = 455400316800. Its totient is φ = 104766704640.

The previous prime is 222232233229. The next prime is 222232233257. The reversal of 222232233232 is 232332232222.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 222232233232.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61609573 + ... + 61613179.

It is an arithmetic number, because the mean of its divisors is an integer number (5692503960).

Almost surely, 2^222232233232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222232233232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (227700158400).

222232233232 is an abundant number, since it is smaller than the sum of its proper divisors (233168083568).

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

222232233232 is a wasteful number, since it uses less digits than its factorization.

222232233232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4544 (or 4538 counting only the distinct ones).

The product of its digits is 20736, while the sum is 28.

Adding to 222232233232 its reverse (232332232222), we get a palindrome (454564465454).

The spelling of 222232233232 in words is "two hundred twenty-two billion, two hundred thirty-two million, two hundred thirty-three thousand, two hundred thirty-two".