131222022 has 8 divisors (see below), whose sum is σ = 262444056. Its totient is φ = 43740672.

The previous prime is 131221991. The next prime is 131222023. The reversal of 131222022 is 220222131.

It is a happy number.

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

131222022 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 131221992 and 131222010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131222023) 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, 10935163 + ... + 10935174.

It is an arithmetic number, because the mean of its divisors is an integer number (32805507).

Almost surely, 2^131222022 is an apocalyptic number.

131222022 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.

131222022 is a wasteful number, since it uses less digits than its factorization.

131222022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21870342.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 131222022 is about 11455.2181122840. The cubic root of 131222022 is about 508.1620656987.

Adding to 131222022 its reverse (220222131), we get a palindrome (351444153).

The spelling of 131222022 in words is "one hundred thirty-one million, two hundred twenty-two thousand, twenty-two".