221223233332 has 48 divisors (see below), whose sum is σ = 394139592000. Its totient is φ = 108631860480.

The previous prime is 221223233317. The next prime is 221223233381. The reversal of 221223233332 is 233332322122.

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 221223233332.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64139544 + ... + 64142992.

It is an arithmetic number, because the mean of its divisors is an integer number (8211241500).

Almost surely, 2^221223233332 is an apocalyptic number.

It is an amenable number.

221223233332 is a deficient number, since it is larger than the sum of its proper divisors (172916358668).

221223233332 is a wasteful number, since it uses less digits than its factorization.

221223233332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4816 (or 4814 counting only the distinct ones).

The product of its digits is 15552, while the sum is 28.

Adding to 221223233332 its reverse (233332322122), we get a palindrome (454555555454).

The spelling of 221223233332 in words is "two hundred twenty-one billion, two hundred twenty-three million, two hundred thirty-three thousand, three hundred thirty-two".