3221937424 has 20 divisors (see below), whose sum is σ = 6254783820. Its totient is φ = 1607799680.

The previous prime is 3221937401. The next prime is 3221937437. The reversal of 3221937424 is 4247391223.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1737222400 + 1484715024 = 41680^2 + 38532^2 .

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 3 ways as a sum of consecutive naturals, for example, 189667 + ... + 205954.

It is an arithmetic number, because the mean of its divisors is an integer number (312739191).

Almost surely, 2^3221937424 is an apocalyptic number.

It is an amenable number.

3221937424 is a deficient number, since it is larger than the sum of its proper divisors (3032846396).

3221937424 is a wasteful number, since it uses less digits than its factorization.

3221937424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396138 (or 396132 counting only the distinct ones).

The product of its digits is 72576, while the sum is 37.

The square root of 3221937424 is about 56762.1125752028. The cubic root of 3221937424 is about 1476.9723569439.

The spelling of 3221937424 in words is "three billion, two hundred twenty-one million, nine hundred thirty-seven thousand, four hundred twenty-four".