3318212 has 12 divisors (see below), whose sum is σ = 5948796. Its totient is φ = 1618560.

The previous prime is 3318193. The next prime is 3318221. The reversal of 3318212 is 2128133.

It can be written as a sum of positive squares in 2 ways, for example, as 802816 + 2515396 = 896^2 + 1586^2 .

It is a super-2 number, since 2×3318212² = 22021061753888, which contains 22 as substring.

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, 9953 + ... + 10280.

It is an arithmetic number, because the mean of its divisors is an integer number (495733).

Almost surely, 2^3318212 is an apocalyptic number.

It is an amenable number.

3318212 is a deficient number, since it is larger than the sum of its proper divisors (2630584).

3318212 is a wasteful number, since it uses less digits than its factorization.

3318212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20278 (or 20276 counting only the distinct ones).

The product of its digits is 288, while the sum is 20.

The square root of 3318212 is about 1821.5960035090. The cubic root of 3318212 is about 149.1539330738.

It can be divided in two parts, 331 and 8212, that multiplied together give a palindrome (2718172).

The spelling of 3318212 in words is "three million, three hundred eighteen thousand, two hundred twelve".