3221057 has 8 divisors (see below), whose sum is σ = 3733632. Its totient is φ = 2721600.

The previous prime is 3221033. The next prime is 3221063. The reversal of 3221057 is 7501223.

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

It is not a de Polignac number, because 3221057 - 2⁸ = 3220801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3221017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2744 + ... + 3737.

It is an arithmetic number, because the mean of its divisors is an integer number (466704).

Almost surely, 2^3221057 is an apocalyptic number.

It is an amenable number.

3221057 is a deficient number, since it is larger than the sum of its proper divisors (512575).

3221057 is an equidigital number, since it uses as much as digits as its factorization.

3221057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6559.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 3221057 is about 1794.7303418620. The cubic root of 3221057 is about 147.6837812600.

The spelling of 3221057 in words is "three million, two hundred twenty-one thousand, fifty-seven".