222312231132 has 24 divisors (see below), whose sum is σ = 519053398416. Its totient is φ = 74057668608.

The previous prime is 222312231109. The next prime is 222312231133. The reversal of 222312231132 is 231132213222.

It is a super-2 number, since 2×222312231132² (a number of 23 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222312231133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5781093 + ... + 5819420.

It is an arithmetic number, because the mean of its divisors is an integer number (21627224934).

Almost surely, 2^222312231132 is an apocalyptic number.

It is an amenable number.

222312231132 is an abundant number, since it is smaller than the sum of its proper divisors (296741167284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222312231132 is a wasteful number, since it uses less digits than its factorization.

222312231132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11602117 (or 11602115 counting only the distinct ones).

The product of its digits is 1728, while the sum is 24.

Adding to 222312231132 its reverse (231132213222), we get a palindrome (453444444354).

The spelling of 222312231132 in words is "two hundred twenty-two billion, three hundred twelve million, two hundred thirty-one thousand, one hundred thirty-two".