3220002 has 12 divisors (see below), whose sum is σ = 6976710. Its totient is φ = 1073328.

The previous prime is 3219989. The next prime is 3220003. The reversal of 3220002 is 2000223.

It can be written as a sum of positive squares in only one way, i.e., 3207681 + 12321 = 1791^2 + 111^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (3220003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 89427 + ... + 89462.

Almost surely, 2^3220002 is an apocalyptic number.

3220002 is an abundant number, since it is smaller than the sum of its proper divisors (3756708).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3220002 is a wasteful number, since it uses less digits than its factorization.

3220002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178897 (or 178894 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 9.

The square root of 3220002 is about 1794.4364017708. The cubic root of 3220002 is about 147.6676557663.

Adding to 3220002 its reverse (2000223), we get a palindrome (5220225).

The spelling of 3220002 in words is "three million, two hundred twenty thousand, two".