222230023131 has 4 divisors (see below), whose sum is σ = 296306697512. Its totient is φ = 148153348752.

The previous prime is 222230023129. The next prime is 222230023153. The reversal of 222230023131 is 131320032222.

It is a happy number.

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

It is not a de Polignac number, because 222230023131 - 2¹ = 222230023129 is a prime.

It is a super-2 number, since 2×222230023131² (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 = 222230023098 and 222230023107.

It is not an unprimeable number, because it can be changed into a prime (222230021131) 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, 37038337186 + ... + 37038337191.

It is an arithmetic number, because the mean of its divisors is an integer number (74076674378).

Almost surely, 2^222230023131 is an apocalyptic number.

222230023131 is a deficient number, since it is larger than the sum of its proper divisors (74076674381).

222230023131 is an equidigital number, since it uses as much as digits as its factorization.

222230023131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74076674380.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 222230023131 its reverse (131320032222), we get a palindrome (353550055353).

Subtracting from 222230023131 its reverse (131320032222), we obtain a palindrome (90909990909).

The spelling of 222230023131 in words is "two hundred twenty-two billion, two hundred thirty million, twenty-three thousand, one hundred thirty-one".