3218022 has 32 divisors (see below), whose sum is σ = 7464960. Its totient is φ = 1025640.

The previous prime is 3218009. The next prime is 3218027. The reversal of 3218022 is 2208123.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 3217986 and 3218004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3218027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54 + ... + 2537.

It is an arithmetic number, because the mean of its divisors is an integer number (233280).

Almost surely, 2^3218022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3218022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3732480).

3218022 is an abundant number, since it is smaller than the sum of its proper divisors (4246938).

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

3218022 is a wasteful number, since it uses less digits than its factorization.

3218022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2625 (or 2619 counting only the distinct ones).

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

The square root of 3218022 is about 1793.8846116738. The cubic root of 3218022 is about 147.6373822956.

The spelling of 3218022 in words is "three million, two hundred eighteen thousand, twenty-two".