131622 has 8 divisors (see below), whose sum is σ = 263256. Its totient is φ = 43872.

The previous prime is 131617. The next prime is 131627. The reversal of 131622 is 226131.

It is an interprime number because it is at equal distance from previous prime (131617) and next prime (131627).

It is a sphenic number, since it is the product of 3 distinct primes.

131622 is an admirable number.

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

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10963 + ... + 10974.

It is an arithmetic number, because the mean of its divisors is an integer number (32907).

2¹³¹⁶²² is an apocalyptic number.

131622 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

131622 is a wasteful number, since it uses less digits than its factorization.

131622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21942.

The product of its digits is 72, while the sum is 15.

The square root of 131622 is about 362.7974641587. The cubic root of 131622 is about 50.8677851794.

Adding to 131622 its reverse (226131), we get a palindrome (357753).

The spelling of 131622 in words is "one hundred thirty-one thousand, six hundred twenty-two".