131972022 has 192 divisors, whose sum is σ = 382427136. Its totient is φ = 31933440.

The previous prime is 131971937. The next prime is 131972033. The reversal of 131972022 is 220279131.

It is a super-2 number, since 2×131972022² = 34833229181536968, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1167838 + ... + 1167950.

It is an arithmetic number, because the mean of its divisors is an integer number (1991808).

Almost surely, 2^131972022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131972022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (191213568).

131972022 is an abundant number, since it is smaller than the sum of its proper divisors (250455114).

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

131972022 is a wasteful number, since it uses less digits than its factorization.

131972022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195 (or 192 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 131972022 is about 11487.9076423864. The cubic root of 131972022 is about 509.1283611922.

The spelling of 131972022 in words is "one hundred thirty-one million, nine hundred seventy-two thousand, twenty-two".