3318722 has 16 divisors (see below), whose sum is σ = 5461344. Its totient is φ = 1500000.

The previous prime is 3318719. The next prime is 3318769. The reversal of 3318722 is 2278133.

It is a super-2 number, since 2×3318722² = 22027831426568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3318691 and 3318700.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5222 + ... + 5822.

It is an arithmetic number, because the mean of its divisors is an integer number (341334).

Almost surely, 2^3318722 is an apocalyptic number.

3318722 is a deficient number, since it is larger than the sum of its proper divisors (2142622).

3318722 is a wasteful number, since it uses less digits than its factorization.

With its predecessor (3318721) it forms an eRAP, since the sums of their prime factors are consecutive (864 and 865).

3318722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 865.

The product of its digits is 2016, while the sum is 26.

The square root of 3318722 is about 1821.7359852624. The cubic root of 3318722 is about 149.1615741979.

The spelling of 3318722 in words is "three million, three hundred eighteen thousand, seven hundred twenty-two".