3222220 has 24 divisors (see below), whose sum is σ = 6862464. Its totient is φ = 1270656.

The previous prime is 3222217. The next prime is 3222221. The reversal of 3222220 is 222223.

It is a nialpdrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 3222220.

It is not an unprimeable number, because it can be changed into a prime (3222221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 357 + ... + 2563.

It is an arithmetic number, because the mean of its divisors is an integer number (285936).

Almost surely, 2^3222220 is an apocalyptic number.

It is an amenable number.

3222220 is an abundant number, since it is smaller than the sum of its proper divisors (3640244).

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

3222220 is a wasteful number, since it uses less digits than its factorization.

3222220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2289 (or 2287 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 3222220 is about 1795.0543167269. The cubic root of 3222220 is about 147.7015534354.

Adding to 3222220 its reverse (222223), we get a palindrome (3444443).

The spelling of 3222220 in words is "three million, two hundred twenty-two thousand, two hundred twenty".