3122556 has 12 divisors (see below), whose sum is σ = 7285992. Its totient is φ = 1040848.

The previous prime is 3122551. The next prime is 3122563. The reversal of 3122556 is 6552213.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3122551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130095 + ... + 130118.

It is an arithmetic number, because the mean of its divisors is an integer number (607166).

Almost surely, 2^3122556 is an apocalyptic number.

It is an amenable number.

3122556 is an abundant number, since it is smaller than the sum of its proper divisors (4163436).

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

3122556 is a wasteful number, since it uses less digits than its factorization.

3122556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260220 (or 260218 counting only the distinct ones).

The product of its digits is 1800, while the sum is 24.

The square root of 3122556 is about 1767.0755501676. The cubic root of 3122556 is about 146.1627633738.

Adding to 3122556 its reverse (6552213), we get a palindrome (9674769).

The spelling of 3122556 in words is "three million, one hundred twenty-two thousand, five hundred fifty-six".