2656228 has 12 divisors (see below), whose sum is σ = 4662000. Its totient is φ = 1324232.

The previous prime is 2656211. The next prime is 2656229. The reversal of 2656228 is 8226562.

It is a zygodrome in base 3.

It is a self number, because there is not a number n which added to its sum of digits gives 2656228.

It is not an unprimeable number, because it can be changed into a prime (2656229) 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, 1023 + ... + 2521.

It is an arithmetic number, because the mean of its divisors is an integer number (388500).

2^2656228 is an apocalyptic number.

It is an amenable number.

2656228 is a deficient number, since it is larger than the sum of its proper divisors (2005772).

2656228 is a wasteful number, since it uses less digits than its factorization.

2656228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1946 (or 1944 counting only the distinct ones).

The product of its digits is 11520, while the sum is 31.

The square root of 2656228 is about 1629.7938519948. The cubic root of 2656228 is about 138.4910740728.

The spelling of 2656228 in words is "two million, six hundred fifty-six thousand, two hundred twenty-eight".