222000032321 has 4 divisors (see below), whose sum is σ = 226723437312. Its totient is φ = 217276627332.

The previous prime is 222000032311. The next prime is 222000032329. The reversal of 222000032321 is 123230000222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222000032321 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 222000032321.

It is not an unprimeable number, because it can be changed into a prime (222000032329) 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, 2361702425 + ... + 2361702518.

It is an arithmetic number, because the mean of its divisors is an integer number (56680859328).

Almost surely, 2^222000032321 is an apocalyptic number.

It is an amenable number.

222000032321 is a deficient number, since it is larger than the sum of its proper divisors (4723404991).

222000032321 is an equidigital number, since it uses as much as digits as its factorization.

222000032321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4723404990.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 222000032321 its reverse (123230000222), we get a palindrome (345230032543).

The spelling of 222000032321 in words is "two hundred twenty-two billion, thirty-two thousand, three hundred twenty-one".