222331022131 has 4 divisors (see below), whose sum is σ = 226099344600. Its totient is φ = 218562699664.

The previous prime is 222331022129. The next prime is 222331022143. The reversal of 222331022131 is 131220133222.

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 222331022131 - 2¹ = 222331022129 is a prime.

It is a super-2 number, since 2×222331022131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222331022171) 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, 1884161146 + ... + 1884161263.

It is an arithmetic number, because the mean of its divisors is an integer number (56524836150).

Almost surely, 2^222331022131 is an apocalyptic number.

222331022131 is a deficient number, since it is larger than the sum of its proper divisors (3768322469).

222331022131 is an equidigital number, since it uses as much as digits as its factorization.

222331022131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3768322468.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 222331022131 its reverse (131220133222), we get a palindrome (353551155353).

The spelling of 222331022131 in words is "two hundred twenty-two billion, three hundred thirty-one million, twenty-two thousand, one hundred thirty-one".