3221366446 has 24 divisors (see below), whose sum is σ = 5045765400. Its totient is φ = 1541328480.

The previous prime is 3221366413. The next prime is 3221366461. The reversal of 3221366446 is 6446631223.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 269505 + ... + 281203.

It is an arithmetic number, because the mean of its divisors is an integer number (210240225).

Almost surely, 2^3221366446 is an apocalyptic number.

3221366446 is a deficient number, since it is larger than the sum of its proper divisors (1824398954).

3221366446 is a wasteful number, since it uses less digits than its factorization.

3221366446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11860 (or 11799 counting only the distinct ones).

The product of its digits is 124416, while the sum is 37.

The square root of 3221366446 is about 56757.0827826801. The cubic root of 3221366446 is about 1476.8851042102.

Adding to 3221366446 its reverse (6446631223), we get a palindrome (9667997669).

The spelling of 3221366446 in words is "three billion, two hundred twenty-one million, three hundred sixty-six thousand, four hundred forty-six".