131142422220222 has 96 divisors (see below), whose sum is σ = 310121782185600. Its totient is φ = 36853448022720.

The previous prime is 131142422220221. The next prime is 131142422220223. The reversal of 131142422220222 is 222022224241131.

It is an interprime number because it is at equal distance from previous prime (131142422220221) and next prime (131142422220223).

It is a super-3 number, since 3×131142422220222³ (a number of 43 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 131142422220222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131142422220221) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 460169529 + ... + 460454427.

It is an arithmetic number, because the mean of its divisors is an integer number (3230435231100).

Almost surely, 2^{131142422220222} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131142422220222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155060891092800).

131142422220222 is an abundant number, since it is smaller than the sum of its proper divisors (178979359965378).

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

131142422220222 is a wasteful number, since it uses less digits than its factorization.

131142422220222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310646 (or 310639 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 30.

Adding to 131142422220222 its reverse (222022224241131), we get a palindrome (353164646461353).

The spelling of 131142422220222 in words is "one hundred thirty-one trillion, one hundred forty-two billion, four hundred twenty-two million, two hundred twenty thousand, two hundred twenty-two".