3222018 has 20 divisors (see below), whose sum is σ = 7220070. Its totient is φ = 1073952.

The previous prime is 3222007. The next prime is 3222031. The reversal of 3222018 is 8102223.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1996569 + 1225449 = 1413^2 + 1107^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

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 9 ways as a sum of consecutive naturals, for example, 9783 + ... + 10106.

Almost surely, 2^3222018 is an apocalyptic number.

3222018 is an abundant number, since it is smaller than the sum of its proper divisors (3998052).

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

3222018 is a wasteful number, since it uses less digits than its factorization.

3222018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19903 (or 19894 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 3222018 is about 1794.9980501382. The cubic root of 3222018 is about 147.6984669156.

The spelling of 3222018 in words is "three million, two hundred twenty-two thousand, eighteen".