3222297891 has 12 divisors (see below), whose sum is σ = 4718190568. Its totient is φ = 2118770784.

The previous prime is 3222297889. The next prime is 3222297893. The reversal of 3222297891 is 1987922223.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3222297889) and next prime (3222297893).

It is not a de Polignac number, because 3222297891 - 2¹ = 3222297889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3222297893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2451625 + ... + 2452938.

Almost surely, 2^3222297891 is an apocalyptic number.

3222297891 is a deficient number, since it is larger than the sum of its proper divisors (1495892677).

3222297891 is a wasteful number, since it uses less digits than its factorization.

3222297891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4904642 (or 4904639 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 3222297891 is about 56765.2877293862. The cubic root of 3222297891 is about 1477.0274355990.

The spelling of 3222297891 in words is "three billion, two hundred twenty-two million, two hundred ninety-seven thousand, eight hundred ninety-one".