11226438 has 60 divisors (see below), whose sum is σ = 26497548. Its totient is φ = 3552120.

The previous prime is 11226427. The next prime is 11226463. The reversal of 11226438 is 83462211.

11226438 is a `hidden beast` number, since 1 + 1 + 226 + 438 = 666.

11226438 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a nialpdrome in base 15.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 85633 + ... + 85763.

Almost surely, 2^11226438 is an apocalyptic number.

11226438 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11226438, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13248774).

11226438 is an abundant number, since it is smaller than the sum of its proper divisors (15271110).

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

11226438 is a wasteful number, since it uses less digits than its factorization.

11226438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191 (or 159 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 11226438 is about 3350.5877096414. The cubic root of 11226438 is about 223.9136970893.

Adding to 11226438 its reverse (83462211), we get a palindrome (94688649).

It can be divided in two parts, 11226 and 438, that added together give a square (11664 = 108²).

The spelling of 11226438 in words is "eleven million, two hundred twenty-six thousand, four hundred thirty-eight".