331224122 has 4 divisors (see below), whose sum is σ = 496836186. Its totient is φ = 165612060.

The previous prime is 331224121. The next prime is 331224137. The reversal of 331224122 is 221422133.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 166384201 + 164839921 = 12899^2 + 12839^2 .

It is a junction number, because it is equal to n+sod(n) for n = 331224094 and 331224103.

It is not an unprimeable number, because it can be changed into a prime (331224121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82806029 + ... + 82806032.

Almost surely, 2^331224122 is an apocalyptic number.

331224122 is a deficient number, since it is larger than the sum of its proper divisors (165612064).

331224122 is a wasteful number, since it uses less digits than its factorization.

331224122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165612063.

The product of its digits is 576, while the sum is 20.

The square root of 331224122 is about 18199.5637859812. The cubic root of 331224122 is about 691.8957333967.

Adding to 331224122 its reverse (221422133), we get a palindrome (552646255).

The spelling of 331224122 in words is "three hundred thirty-one million, two hundred twenty-four thousand, one hundred twenty-two".