3221221122 has 48 divisors (see below), whose sum is σ = 8271786432. Its totient is φ = 920347920.

The previous prime is 3221221111. The next prime is 3221221123. The reversal of 3221221122 is 2211221223.

3221221122 is a `hidden beast` number, since 322 + 1 + 221 + 122 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 3221221095 and 3221221104.

It is not an unprimeable number, because it can be changed into a prime (3221221123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 470029 + ... + 476832.

It is an arithmetic number, because the mean of its divisors is an integer number (172328884).

Almost surely, 2^3221221122 is an apocalyptic number.

3221221122 is an abundant number, since it is smaller than the sum of its proper divisors (5050565310).

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

3221221122 is an equidigital number, since it uses as much as digits as its factorization.

3221221122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 946885 (or 946873 counting only the distinct ones).

The product of its digits is 192, while the sum is 18.

The square root of 3221221122 is about 56755.8025403571. The cubic root of 3221221122 is about 1476.8628952002.

Adding to 3221221122 its reverse (2211221223), we get a palindrome (5432442345).

The spelling of 3221221122 in words is "three billion, two hundred twenty-one million, two hundred twenty-one thousand, one hundred twenty-two".