3222290 has 8 divisors (see below), whose sum is σ = 5800140. Its totient is φ = 1288912.

The previous prime is 3222287. The next prime is 3222301. The reversal of 3222290 is 922223.

It can be written as a sum of positive squares in 2 ways, for example, as 3136441 + 85849 = 1771^2 + 293^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161105 + ... + 161124.

Almost surely, 2^3222290 is an apocalyptic number.

3222290 is a deficient number, since it is larger than the sum of its proper divisors (2577850).

3222290 is a wasteful number, since it uses less digits than its factorization.

3222290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322236.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 3222290 is about 1795.0738146383. The cubic root of 3222290 is about 147.7026229914.

It can be divided in two parts, 32 and 22290, that added together give a palindrome (22322).

The spelling of 3222290 in words is "three million, two hundred twenty-two thousand, two hundred ninety".