222303312231 has 32 divisors (see below), whose sum is σ = 397969571328. Its totient is φ = 106598989440.

The previous prime is 222303312221. The next prime is 222303312241. The reversal of 222303312231 is 132213303222.

It is an interprime number because it is at equal distance from previous prime (222303312221) and next prime (222303312241).

It is not a de Polignac number, because 222303312231 - 2⁷ = 222303312103 is a prime.

It is a super-2 number, since 2×222303312231² (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 (222303312221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37010536 + ... + 37016541.

It is an arithmetic number, because the mean of its divisors is an integer number (12436549104).

Almost surely, 2^222303312231 is an apocalyptic number.

222303312231 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

222303312231 is a deficient number, since it is larger than the sum of its proper divisors (175666259097).

222303312231 is a wasteful number, since it uses less digits than its factorization.

222303312231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74027111.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 222303312231 its reverse (132213303222), we get a palindrome (354516615453).

Subtracting from 222303312231 its reverse (132213303222), we obtain a palindrome (90090009009).

The spelling of 222303312231 in words is "two hundred twenty-two billion, three hundred three million, three hundred twelve thousand, two hundred thirty-one".