3122220120 has 32 divisors (see below), whose sum is σ = 9366660720. Its totient is φ = 832592000.

The previous prime is 3122220113. The next prime is 3122220131. The reversal of 3122220120 is 210222213.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 3122220120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13009131 + ... + 13009370.

Almost surely, 2^3122220120 is an apocalyptic number.

3122220120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3122220120 is an abundant number, since it is smaller than the sum of its proper divisors (6244440600).

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

3122220120 is a wasteful number, since it uses less digits than its factorization.

3122220120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26018515 (or 26018511 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 3122220120 is about 55876.8299029213. The cubic root of 3122220120 is about 1461.5752248470.

Adding to 3122220120 its reverse (210222213), we get a palindrome (3332442333).

The spelling of 3122220120 in words is "three billion, one hundred twenty-two million, two hundred twenty thousand, one hundred twenty".