11229081 has 8 divisors (see below), whose sum is σ = 15051264. Its totient is φ = 7446480.

The previous prime is 11229077. The next prime is 11229089. The reversal of 11229081 is 18092211.

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

It is not a de Polignac number, because 11229081 - 2² = 11229077 is a prime.

It is a super-2 number, since 2×11229081² = 252184520209122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11229089) 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, 9226 + ... + 10371.

It is an arithmetic number, because the mean of its divisors is an integer number (1881408).

Almost surely, 2^11229081 is an apocalyptic number.

It is an amenable number.

11229081 is a deficient number, since it is larger than the sum of its proper divisors (3822183).

11229081 is a wasteful number, since it uses less digits than its factorization.

11229081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19791.

The product of its (nonzero) digits is 288, while the sum is 24.

The square root of 11229081 is about 3350.9820948492. The cubic root of 11229081 is about 223.9312674432.

The spelling of 11229081 in words is "eleven million, two hundred twenty-nine thousand, eighty-one".