3221018 has 8 divisors (see below), whose sum is σ = 4842912. Its totient is φ = 1606716.

The previous prime is 3221017. The next prime is 3221033. The reversal of 3221018 is 8101223.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 3220987 and 3221005.

It is not an unprimeable number, because it can be changed into a prime (3221017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 680 + ... + 2627.

It is an arithmetic number, because the mean of its divisors is an integer number (605364).

Almost surely, 2^3221018 is an apocalyptic number.

3221018 is a deficient number, since it is larger than the sum of its proper divisors (1621894).

3221018 is a wasteful number, since it uses less digits than its factorization.

3221018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3796.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 3221018 is about 1794.7194766871. The cubic root of 3221018 is about 147.6831852143.

The spelling of 3221018 in words is "three million, two hundred twenty-one thousand, eighteen".