3221930 has 8 divisors (see below), whose sum is σ = 5799492. Its totient is φ = 1288768.

The previous prime is 3221917. The next prime is 3221941. The reversal of 3221930 is 391223.

It can be written as a sum of positive squares in 2 ways, for example, as 3193369 + 28561 = 1787^2 + 169^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 161087 + ... + 161106.

Almost surely, 2^3221930 is an apocalyptic number.

3221930 is a deficient number, since it is larger than the sum of its proper divisors (2577562).

3221930 is a wasteful number, since it uses less digits than its factorization.

3221930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322200.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 3221930 is about 1794.9735374094. The cubic root of 3221930 is about 147.6971222528.

The spelling of 3221930 in words is "three million, two hundred twenty-one thousand, nine hundred thirty".