3222231220 has 24 divisors (see below), whose sum is σ = 7287200424. Its totient is φ = 1189746816.

The previous prime is 3222231203. The next prime is 3222231281. The reversal of 3222231220 is 221322223.

It can be written as a sum of positive squares in 4 ways, for example, as 465351184 + 2756880036 = 21572^2 + 52506^2 .

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 6196339 + ... + 6196858.

It is an arithmetic number, because the mean of its divisors is an integer number (303633351).

Almost surely, 2^3222231220 is an apocalyptic number.

It is an amenable number.

3222231220 is an abundant number, since it is smaller than the sum of its proper divisors (4064969204).

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

3222231220 is a wasteful number, since it uses less digits than its factorization.

3222231220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12393219 (or 12393217 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 3222231220 is about 56764.7004748550. The cubic root of 3222231220 is about 1477.0172487098.

Adding to 3222231220 its reverse (221322223), we get a palindrome (3443553443).

The spelling of 3222231220 in words is "three billion, two hundred twenty-two million, two hundred thirty-one thousand, two hundred twenty".