222320331131 has 4 divisors (see below), whose sum is σ = 222850929000. Its totient is φ = 221789733264.

The previous prime is 222320331127. The next prime is 222320331179. The reversal of 222320331131 is 131133023222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 222320331131 - 2² = 222320331127 is a prime.

It is a super-2 number, since 2×222320331131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222320331097 and 222320331106.

It is not an unprimeable number, because it can be changed into a prime (222329331131) 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, 265298306 + ... + 265299143.

It is an arithmetic number, because the mean of its divisors is an integer number (55712732250).

Almost surely, 2^222320331131 is an apocalyptic number.

222320331131 is a deficient number, since it is larger than the sum of its proper divisors (530597869).

222320331131 is an equidigital number, since it uses as much as digits as its factorization.

222320331131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530597868.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 222320331131 its reverse (131133023222), we get a palindrome (353453354353).

The spelling of 222320331131 in words is "two hundred twenty-two billion, three hundred twenty million, three hundred thirty-one thousand, one hundred thirty-one".