331243422 has 16 divisors (see below), whose sum is σ = 662951952. Its totient is φ = 110336960.

The previous prime is 331243421. The next prime is 331243427. The reversal of 331243422 is 224342133.

It is a junction number, because it is equal to n+sod(n) for n = 331243392 and 331243401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331243421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9753 + ... + 27524.

It is an arithmetic number, because the mean of its divisors is an integer number (41434497).

Almost surely, 2^331243422 is an apocalyptic number.

331243422 is an abundant number, since it is smaller than the sum of its proper divisors (331708530).

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

331243422 is a wasteful number, since it uses less digits than its factorization.

331243422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38763.

The product of its digits is 3456, while the sum is 24.

The square root of 331243422 is about 18200.0940107462. The cubic root of 331243422 is about 691.9091717580.

Adding to 331243422 its reverse (224342133), we get a palindrome (555585555).

The spelling of 331243422 in words is "three hundred thirty-one million, two hundred forty-three thousand, four hundred twenty-two".