131222132223222 has 16 divisors (see below), whose sum is σ = 262500210839232. Its totient is φ = 43731386342280.

The previous prime is 131222132223211. The next prime is 131222132223239. The reversal of 131222132223222 is 222322231222131.

It is a super-2 number, since 2×131222132223222² (a number of 29 digits) contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 131222132223222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2331069208 + ... + 2331125499.

It is an arithmetic number, because the mean of its divisors is an integer number (16406263177452).

Almost surely, 2^{131222132223222} is an apocalyptic number.

131222132223222 is an abundant number, since it is smaller than the sum of its proper divisors (131278078616010).

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

131222132223222 is a wasteful number, since it uses less digits than its factorization.

131222132223222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4662199403.

The product of its digits is 13824, while the sum is 30.

Adding to 131222132223222 its reverse (222322231222131), we get a palindrome (353544363445353).

The spelling of 131222132223222 in words is "one hundred thirty-one trillion, two hundred twenty-two billion, one hundred thirty-two million, two hundred twenty-three thousand, two hundred twenty-two".