2163226 has 32 divisors (see below), whose sum is σ = 3830400. Its totient is φ = 907200.

The previous prime is 2163223. The next prime is 2163241. The reversal of 2163226 is 6223612.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2163197 and 2163206.

It is not an unprimeable number, because it can be changed into a prime (2163221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14251 + ... + 14401.

It is an arithmetic number, because the mean of its divisors is an integer number (119700).

2^2163226 is an apocalyptic number.

2163226 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2163226 is a deficient number, since it is larger than the sum of its proper divisors (1667174).

2163226 is a wasteful number, since it uses less digits than its factorization.

2163226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214.

The product of its digits is 864, while the sum is 22.

The square root of 2163226 is about 1470.7909436762. The cubic root of 2163226 is about 129.3304031528.

Adding to 2163226 its reverse (6223612), we get a palindrome (8386838).

The spelling of 2163226 in words is "two million, one hundred sixty-three thousand, two hundred twenty-six".