131401222 has 8 divisors (see below), whose sum is σ = 197231400. Its totient is φ = 65657424.

The previous prime is 131401217. The next prime is 131401223. The reversal of 131401222 is 222104131.

131401222 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×131401222² = 34532562286186568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131401196 and 131401205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131401223) 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, 17647 + ... + 23962.

It is an arithmetic number, because the mean of its divisors is an integer number (24653925).

Almost surely, 2^131401222 is an apocalyptic number.

131401222 is a deficient number, since it is larger than the sum of its proper divisors (65830178).

131401222 is a wasteful number, since it uses less digits than its factorization.

131401222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43190.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 131401222 is about 11463.0372066045. The cubic root of 131401222 is about 508.3932799918.

Adding to 131401222 its reverse (222104131), we get a palindrome (353505353).

The spelling of 131401222 in words is "one hundred thirty-one million, four hundred one thousand, two hundred twenty-two".