222031130223 has 96 divisors (see below), whose sum is σ = 378697752576. Its totient is φ = 113103631872.

The previous prime is 222031130149. The next prime is 222031130227. The reversal of 222031130223 is 322031130222.

It is a happy number.

It is not a de Polignac number, because 222031130223 - 2⁹ = 222031129711 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 222031130223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222031130227) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 14369740 + ... + 14385182.

It is an arithmetic number, because the mean of its divisors is an integer number (3944768256).

Almost surely, 2^222031130223 is an apocalyptic number.

222031130223 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

222031130223 is a deficient number, since it is larger than the sum of its proper divisors (156666622353).

222031130223 is a wasteful number, since it uses less digits than its factorization.

222031130223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15613 (or 15596 counting only the distinct ones).

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

Adding to 222031130223 its reverse (322031130222), we get a palindrome (544062260445).

Subtracting 222031130223 from its reverse (322031130222), we obtain a palindrome (99999999999).

The spelling of 222031130223 in words is "two hundred twenty-two billion, thirty-one million, one hundred thirty thousand, two hundred twenty-three".