3221002 has 4 divisors (see below), whose sum is σ = 4831506. Its totient is φ = 1610500.

The previous prime is 3220967. The next prime is 3221017. The reversal of 3221002 is 2001223.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2595321 + 625681 = 1611^2 + 791^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3221002.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 805249 + ... + 805252.

Almost surely, 2^3221002 is an apocalyptic number.

3221002 is a deficient number, since it is larger than the sum of its proper divisors (1610504).

3221002 is a wasteful number, since it uses less digits than its factorization.

3221002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1610503.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 3221002 is about 1794.7150191604. The cubic root of 3221002 is about 147.6829406814.

Adding to 3221002 its reverse (2001223), we get a palindrome (5222225).

The spelling of 3221002 in words is "three million, two hundred twenty-one thousand, two".