331002022 has 16 divisors (see below), whose sum is σ = 537102720. Its totient is φ = 152082432.

The previous prime is 331002011. The next prime is 331002031. The reversal of 331002022 is 220200133.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 331001993 and 331002011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22747 + ... + 34342.

It is an arithmetic number, because the mean of its divisors is an integer number (33568920).

Almost surely, 2^331002022 is an apocalyptic number.

331002022 is a deficient number, since it is larger than the sum of its proper divisors (206100698).

331002022 is a wasteful number, since it uses less digits than its factorization.

331002022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57327.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 331002022 is about 18193.4609681611. The cubic root of 331002022 is about 691.7410502155.

Adding to 331002022 its reverse (220200133), we get a palindrome (551202155).

The spelling of 331002022 in words is "three hundred thirty-one million, two thousand, twenty-two".