222012210231 has 96 divisors (see below), whose sum is σ = 395756098560. Its totient is φ = 120450058560.

The previous prime is 222012210221. The next prime is 222012210241. The reversal of 222012210231 is 132012210222.

222012210231 is a `hidden beast` number, since 2 + 220 + 1 + 2 + 210 + 231 = 666.

It is an interprime number because it is at equal distance from previous prime (222012210221) and next prime (222012210241).

It is not a de Polignac number, because 222012210231 - 2⁹ = 222012209719 is a prime.

It is a super-2 number, since 2×222012210231² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222012210221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 9614806 + ... + 9637868.

It is an arithmetic number, because the mean of its divisors is an integer number (4122459360).

Almost surely, 2^222012210231 is an apocalyptic number.

222012210231 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

222012210231 is a deficient number, since it is larger than the sum of its proper divisors (173743888329).

222012210231 is a wasteful number, since it uses less digits than its factorization.

222012210231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23194 (or 23157 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 222012210231 its reverse (132012210222), we get a palindrome (354024420453).

Subtracting from 222012210231 its reverse (132012210222), we obtain a palindrome (90000000009).

The spelling of 222012210231 in words is "two hundred twenty-two billion, twelve million, two hundred ten thousand, two hundred thirty-one".