2811226 has 16 divisors (see below), whose sum is σ = 4688928. Its totient is φ = 1253200.

The previous prime is 2811217. The next prime is 2811227. The reversal of 2811226 is 6221182.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 2811197 and 2811206.

It is not an unprimeable number, because it can be changed into a prime (2811227) 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, 40 + ... + 2371.

It is an arithmetic number, because the mean of its divisors is an integer number (293058).

2^2811226 is an apocalyptic number.

2811226 is a deficient number, since it is larger than the sum of its proper divisors (1877702).

2811226 is a wasteful number, since it uses less digits than its factorization.

2811226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2477.

The product of its digits is 384, while the sum is 22.

The square root of 2811226 is about 1676.6711066873. The cubic root of 2811226 is about 141.1340876927.

The spelling of 2811226 in words is "two million, eight hundred eleven thousand, two hundred twenty-six".