11138226 has 16 divisors (see below), whose sum is σ = 24301728. Its totient is φ = 3375200.

The previous prime is 11138203. The next prime is 11138243. The reversal of 11138226 is 62283111.

It is a junction number, because it is equal to n+sod(n) for n = 11138196 and 11138205.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84315 + ... + 84446.

It is an arithmetic number, because the mean of its divisors is an integer number (1518858).

Almost surely, 2^11138226 is an apocalyptic number.

11138226 is an abundant number, since it is smaller than the sum of its proper divisors (13163502).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11138226 is a wasteful number, since it uses less digits than its factorization.

11138226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168777.

The product of its digits is 576, while the sum is 24.

The square root of 11138226 is about 3337.3980883317. The cubic root of 11138226 is about 223.3256852409.

It can be divided in two parts, 1113 and 8226, that added together give a palindrome (9339).

The spelling of 11138226 in words is "eleven million, one hundred thirty-eight thousand, two hundred twenty-six".