3231222220 has 12 divisors (see below), whose sum is σ = 6785566704. Its totient is φ = 1292488880.

The previous prime is 3231222209. The next prime is 3231222257. The reversal of 3231222220 is 222221323.

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, 80780536 + ... + 80780575.

It is an arithmetic number, because the mean of its divisors is an integer number (565463892).

Almost surely, 2^3231222220 is an apocalyptic number.

It is an amenable number.

3231222220 is an abundant number, since it is smaller than the sum of its proper divisors (3554344484).

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

3231222220 is a wasteful number, since it uses less digits than its factorization.

3231222220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161561120 (or 161561118 counting only the distinct ones).

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

The square root of 3231222220 is about 56843.8406513846. The cubic root of 3231222220 is about 1478.3897479376.

Adding to 3231222220 its reverse (222221323), we get a palindrome (3453443543).

The spelling of 3231222220 in words is "three billion, two hundred thirty-one million, two hundred twenty-two thousand, two hundred twenty".