11226281 has 8 divisors (see below), whose sum is σ = 12578304. Its totient is φ = 9929520.

The previous prime is 11226269. The next prime is 11226287. The reversal of 11226281 is 18262211.

11226281 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11226281 - 2²² = 7031977 is a prime.

It is a super-2 number, since 2×11226281² = 252058770181922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11226287) 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, 13385 + ... + 14198.

It is an arithmetic number, because the mean of its divisors is an integer number (1572288).

Almost surely, 2^11226281 is an apocalyptic number.

11226281 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11226281 is a deficient number, since it is larger than the sum of its proper divisors (1352023).

11226281 is a wasteful number, since it uses less digits than its factorization.

11226281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27631.

The product of its digits is 384, while the sum is 23.

The square root of 11226281 is about 3350.5642808339. The cubic root of 11226281 is about 223.9126532849.

Adding to 11226281 its reverse (18262211), we get a palindrome (29488492).

The spelling of 11226281 in words is "eleven million, two hundred twenty-six thousand, two hundred eighty-one".