3231121222 has 32 divisors (see below), whose sum is σ = 5691654144. Its totient is φ = 1346889600.

The previous prime is 3231121183. The next prime is 3231121249. The reversal of 3231121222 is 2221211323.

It is a self number, because there is not a number n which added to its sum of digits gives 3231121222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133947 + ... + 156217.

It is an arithmetic number, because the mean of its divisors is an integer number (177864192).

Almost surely, 2^3231121222 is an apocalyptic number.

3231121222 is a deficient number, since it is larger than the sum of its proper divisors (2460532922).

3231121222 is a wasteful number, since it uses less digits than its factorization.

3231121222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22564.

The product of its digits is 288, while the sum is 19.

The square root of 3231121222 is about 56842.9522632314. The cubic root of 3231121222 is about 1478.3743444820.

Adding to 3231121222 its reverse (2221211323), we get a palindrome (5452332545).

The spelling of 3231121222 in words is "three billion, two hundred thirty-one million, one hundred twenty-one thousand, two hundred twenty-two".