331126422 has 48 divisors (see below), whose sum is σ = 739963056. Its totient is φ = 98683200.

The previous prime is 331126417. The next prime is 331126441. The reversal of 331126422 is 224621133.

It is a junction number, because it is equal to n+sod(n) for n = 331126392 and 331126401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40548 + ... + 48024.

It is an arithmetic number, because the mean of its divisors is an integer number (15415897).

Almost surely, 2^331126422 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 331126422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (369981528).

331126422 is an abundant number, since it is smaller than the sum of its proper divisors (408836634).

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

331126422 is a wasteful number, since it uses less digits than its factorization.

331126422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7565 (or 7554 counting only the distinct ones).

The product of its digits is 1728, while the sum is 24.

The square root of 331126422 is about 18196.8794577532. The cubic root of 331126422 is about 691.8276980332.

Adding to 331126422 its reverse (224621133), we get a palindrome (555747555).

The spelling of 331126422 in words is "three hundred thirty-one million, one hundred twenty-six thousand, four hundred twenty-two".