2656226 has 16 divisors (see below), whose sum is σ = 4226040. Its totient is φ = 1249920.

The previous prime is 2656211. The next prime is 2656229. The reversal of 2656226 is 6226562.

It can be written as a sum of positive squares in 4 ways, for example, as 900601 + 1755625 = 949^2 + 1325^2 .

It is a super-3 number, since 3×2656226³ = 56223298988379333528, which contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Curzon number.

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 7 ways as a sum of consecutive naturals, for example, 1820 + ... + 2936.

2^2656226 is an apocalyptic number.

2656226 is a deficient number, since it is larger than the sum of its proper divisors (1569814).

2656226 is a wasteful number, since it uses less digits than its factorization.

2656226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1189.

The product of its digits is 8640, while the sum is 29.

The square root of 2656226 is about 1629.7932384201. The cubic root of 2656226 is about 138.4910393139.

It can be divided in two parts, 2656 and 226, that added together give a palindrome (2882).

The spelling of 2656226 in words is "two million, six hundred fifty-six thousand, two hundred twenty-six".