131163222 has 16 divisors (see below), whose sum is σ = 262464192. Its totient is φ = 43698120.

The previous prime is 131163217. The next prime is 131163247. The reversal of 131163222 is 222361131.

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

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, 9933 + ... + 18999.

It is an arithmetic number, because the mean of its divisors is an integer number (16404012).

Almost surely, 2^131163222 is an apocalyptic number.

131163222 is an abundant number, since it is smaller than the sum of its proper divisors (131300970).

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

131163222 is a wasteful number, since it uses less digits than its factorization.

131163222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11483.

The product of its digits is 432, while the sum is 21.

The square root of 131163222 is about 11452.6513087582. The cubic root of 131163222 is about 508.0861526441.

The spelling of 131163222 in words is "one hundred thirty-one million, one hundred sixty-three thousand, two hundred twenty-two".