3122656 has 12 divisors (see below), whose sum is σ = 6147792. Its totient is φ = 1561312.

The previous prime is 3122627. The next prime is 3122657. The reversal of 3122656 is 6562213.

It is a self number, because there is not a number n which added to its sum of digits gives 3122656.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3122657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48760 + ... + 48823.

It is an arithmetic number, because the mean of its divisors is an integer number (512316).

Almost surely, 2^3122656 is an apocalyptic number.

It is an amenable number.

3122656 is a deficient number, since it is larger than the sum of its proper divisors (3025136).

3122656 is an equidigital number, since it uses as much as digits as its factorization.

3122656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97593 (or 97585 counting only the distinct ones).

The product of its digits is 2160, while the sum is 25.

The square root of 3122656 is about 1767.1038452790. The cubic root of 3122656 is about 146.1643236469.

Adding to 3122656 its reverse (6562213), we get a palindrome (9684869).

The spelling of 3122656 in words is "three million, one hundred twenty-two thousand, six hundred fifty-six".