11229816 has 32 divisors (see below), whose sum is σ = 30234960. Its totient is φ = 3455232.

The previous prime is 11229793. The next prime is 11229847. The reversal of 11229816 is 61892211.

It is a happy number.

It is a super-2 number, since 2×11229816² = 252217534787712, which contains 22 as substring.

It is a congruent number.

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, 17685 + ... + 18308.

Almost surely, 2^11229816 is an apocalyptic number.

It is an amenable number.

11229816 is an abundant number, since it is smaller than the sum of its proper divisors (19005144).

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

11229816 is a wasteful number, since it uses less digits than its factorization.

11229816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36015 (or 36011 counting only the distinct ones).

The product of its digits is 1728, while the sum is 30.

The square root of 11229816 is about 3351.0917623962. The cubic root of 11229816 is about 223.9361531470.

The spelling of 11229816 in words is "eleven million, two hundred twenty-nine thousand, eight hundred sixteen".