131533422 has 8 divisors (see below), whose sum is σ = 263066856. Its totient is φ = 43844472.

The previous prime is 131533417. The next prime is 131533429. The reversal of 131533422 is 224335131.

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

131533422 is an admirable number.

It is a super-2 number, since 2×131533422² = 34602082206060168, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131533392 and 131533401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131533429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10961113 + ... + 10961124.

It is an arithmetic number, because the mean of its divisors is an integer number (32883357).

Almost surely, 2^131533422 is an apocalyptic number.

131533422 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.

131533422 is a wasteful number, since it uses less digits than its factorization.

131533422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21922242.

The product of its digits is 2160, while the sum is 24.

The square root of 131533422 is about 11468.8021170478. The cubic root of 131533422 is about 508.5637174347.

Adding to 131533422 its reverse (224335131), we get a palindrome (355868553).

The spelling of 131533422 in words is "one hundred thirty-one million, five hundred thirty-three thousand, four hundred twenty-two".