3220988 has 12 divisors (see below), whose sum is σ = 5708640. Its totient is φ = 1589952.

The previous prime is 3220967. The next prime is 3221017. The reversal of 3220988 is 8890223.

It is a happy number.

3220988 is nontrivially palindromic in base 11.

It is a super-2 number, since 2×3220988² = 20749527392288, which contains 22 as substring.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 4781 + ... + 5412.

It is an arithmetic number, because the mean of its divisors is an integer number (475720).

Almost surely, 2^3220988 is an apocalyptic number.

It is an amenable number.

3220988 is a deficient number, since it is larger than the sum of its proper divisors (2487652).

3220988 is a wasteful number, since it uses less digits than its factorization.

3220988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10276 (or 10274 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 3220988 is about 1794.7111188155. The cubic root of 3220988 is about 147.6827267144.

The spelling of 3220988 in words is "three million, two hundred twenty thousand, nine hundred eighty-eight".