3221365612 has 12 divisors (see below), whose sum is σ = 5647164040. Its totient is φ = 1607890176.

The previous prime is 3221365601. The next prime is 3221365643. The reversal of 3221365612 is 2165631223.

It is a happy number.

It is a super-2 number, since 2×3221365612² = 20754392812352269088, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 695562 + ... + 700177.

Almost surely, 2^3221365612 is an apocalyptic number.

It is an amenable number.

3221365612 is a deficient number, since it is larger than the sum of its proper divisors (2425798428).

3221365612 is a wasteful number, since it uses less digits than its factorization.

3221365612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1396320 (or 1396318 counting only the distinct ones).

The product of its digits is 12960, while the sum is 31.

The square root of 3221365612 is about 56757.0754355790. The cubic root of 3221365612 is about 1476.8849767568.

Adding to 3221365612 its reverse (2165631223), we get a palindrome (5386996835).

The spelling of 3221365612 in words is "three billion, two hundred twenty-one million, three hundred sixty-five thousand, six hundred twelve".