3122220756 has 12 divisors (see below), whose sum is σ = 7285181792. Its totient is φ = 1040740248.

The previous prime is 3122220727. The next prime is 3122220851. The reversal of 3122220756 is 6570222213.

3122220756 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

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, 130092520 + ... + 130092543.

Almost surely, 2^3122220756 is an apocalyptic number.

It is an amenable number.

3122220756 is an abundant number, since it is smaller than the sum of its proper divisors (4162961036).

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

3122220756 is a wasteful number, since it uses less digits than its factorization.

3122220756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260185070 (or 260185068 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 3122220756 is about 55876.8355940098. The cubic root of 3122220756 is about 1461.5753240885.

Adding to 3122220756 its reverse (6570222213), we get a palindrome (9692442969).

The spelling of 3122220756 in words is "three billion, one hundred twenty-two million, two hundred twenty thousand, seven hundred fifty-six".