3122221120 has 56 divisors (see below), whose sum is σ = 7443362304. Its totient is φ = 1247448576.

The previous prime is 3122221117. The next prime is 3122221127. The reversal of 3122221120 is 211222213.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 3122221094 and 3122221103.

It is not an unprimeable number, because it can be changed into a prime (3122221127) 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 7 ways as a sum of consecutive naturals, for example, 297889 + ... + 308191.

It is an arithmetic number, because the mean of its divisors is an integer number (132917184).

Almost surely, 2^3122221120 is an apocalyptic number.

It is an amenable number.

3122221120 is an abundant number, since it is smaller than the sum of its proper divisors (4321141184).

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

3122221120 is a wasteful number, since it uses less digits than its factorization.

3122221120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11267 (or 11257 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 3122221120 is about 55876.8388511734. The cubic root of 3122221120 is about 1461.5753808871.

Adding to 3122221120 its reverse (211222213), we get a palindrome (3333443333).

The spelling of 3122221120 in words is "three billion, one hundred twenty-two million, two hundred twenty-one thousand, one hundred twenty".