331113222 has 48 divisors (see below), whose sum is σ = 803801232. Its totient is φ = 97623360.

The previous prime is 331113217. The next prime is 331113241. The reversal of 331113222 is 222311133.

331113222 is a `hidden beast` number, since 331 + 11 + 322 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 331113195 and 331113204.

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, 15273 + ... + 29924.

It is an arithmetic number, because the mean of its divisors is an integer number (16745859).

Almost surely, 2^331113222 is an apocalyptic number.

331113222 is an abundant number, since it is smaller than the sum of its proper divisors (472688010).

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

331113222 is a wasteful number, since it uses less digits than its factorization.

331113222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45253 (or 45250 counting only the distinct ones).

The product of its digits is 216, while the sum is 18.

The square root of 331113222 is about 18196.5167545880. The cubic root of 331113222 is about 691.8185049211.

Adding to 331113222 its reverse (222311133), we get a palindrome (553424355).

The spelling of 331113222 in words is "three hundred thirty-one million, one hundred thirteen thousand, two hundred twenty-two".