222232132321 has 4 divisors (see below), whose sum is σ = 223928560944. Its totient is φ = 220535703700.

The previous prime is 222232132319. The next prime is 222232132357. The reversal of 222232132321 is 123231232222.

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 not a de Polignac number, because 222232132321 - 2¹ = 222232132319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222232132621) 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, 848214115 + ... + 848214376.

It is an arithmetic number, because the mean of its divisors is an integer number (55982140236).

Almost surely, 2^222232132321 is an apocalyptic number.

It is an amenable number.

222232132321 is a deficient number, since it is larger than the sum of its proper divisors (1696428623).

222232132321 is a wasteful number, since it uses less digits than its factorization.

222232132321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1696428622.

The product of its digits is 3456, while the sum is 25.

Adding to 222232132321 its reverse (123231232222), we get a palindrome (345463364543).

Subtracting from 222232132321 its reverse (123231232222), we obtain a palindrome (99000900099).

The spelling of 222232132321 in words is "two hundred twenty-two billion, two hundred thirty-two million, one hundred thirty-two thousand, three hundred twenty-one".