3321249172 has 72 divisors (see below), whose sum is σ = 6360045440. Its totient is φ = 1513054080.

The previous prime is 3321249137. The next prime is 3321249193. The reversal of 3321249172 is 2719421233.

It is a super-2 number, since 2×3321249172² = 22061392125021371168, which contains 22 as substring.

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, 12255397 + ... + 12255667.

Almost surely, 2^3321249172 is an apocalyptic number.

It is an amenable number.

3321249172 is a deficient number, since it is larger than the sum of its proper divisors (3038796268).

3321249172 is a wasteful number, since it uses less digits than its factorization.

3321249172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461 (or 412 counting only the distinct ones).

The product of its digits is 18144, while the sum is 34.

The square root of 3321249172 is about 57630.2799923790. The cubic root of 3321249172 is about 1491.9942624969.

The spelling of 3321249172 in words is "three billion, three hundred twenty-one million, two hundred forty-nine thousand, one hundred seventy-two".