3213222 has 16 divisors (see below), whose sum is σ = 6493872. Its totient is φ = 1059840.

The previous prime is 3213163. The next prime is 3213233. The reversal of 3213222 is 2223123.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

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, 2179 + ... + 3342.

It is an arithmetic number, because the mean of its divisors is an integer number (405867).

Almost surely, 2^3213222 is an apocalyptic number.

3213222 is an abundant number, since it is smaller than the sum of its proper divisors (3280650).

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

3213222 is a wasteful number, since it uses less digits than its factorization.

3213222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5623.

The product of its digits is 144, while the sum is 15.

The square root of 3213222 is about 1792.5462337134. The cubic root of 3213222 is about 147.5639404865.

Adding to 3213222 its reverse (2223123), we get a palindrome (5436345).

Subtracting from 3213222 its reverse (2223123), we obtain a palindrome (990099).

The spelling of 3213222 in words is "three million, two hundred thirteen thousand, two hundred twenty-two".