331224222 has 48 divisors (see below), whose sum is σ = 791456400. Its totient is φ = 92074752.

The previous prime is 331224221. The next prime is 331224233. The reversal of 331224222 is 222422133.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331224221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4347 + ... + 26102.

It is an arithmetic number, because the mean of its divisors is an integer number (16488675).

Almost surely, 2^331224222 is an apocalyptic number.

331224222 is an abundant number, since it is smaller than the sum of its proper divisors (460232178).

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

331224222 is a wasteful number, since it uses less digits than its factorization.

331224222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30505 (or 30498 counting only the distinct ones).

The product of its digits is 1152, while the sum is 21.

The square root of 331224222 is about 18199.5665332996. The cubic root of 331224222 is about 691.8958030269.

Adding to 331224222 its reverse (222422133), we get a palindrome (553646355).

The spelling of 331224222 in words is "three hundred thirty-one million, two hundred twenty-four thousand, two hundred twenty-two".