3222909 has 14 divisors (see below), whose sum is σ = 4833246. Its totient is φ = 2148120.

The previous prime is 3222899. The next prime is 3222917. The reversal of 3222909 is 9092223.

It can be written as a sum of positive squares in only one way, i.e., 3080025 + 142884 = 1755^2 + 378^2 .

It is not a de Polignac number, because 3222909 - 2⁷ = 3222781 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3222929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 1482 + ... + 2939.

Almost surely, 2^3222909 is an apocalyptic number.

It is an amenable number.

3222909 is a deficient number, since it is larger than the sum of its proper divisors (1610337).

3222909 is an frugal number, since it uses more digits than its factorization.

3222909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4439 (or 4424 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 3222909 is about 1795.2462226670. The cubic root of 3222909 is about 147.7120802479.

The spelling of 3222909 in words is "three million, two hundred twenty-two thousand, nine hundred nine".