11229993 has 6 divisors (see below), whose sum is σ = 16221114. Its totient is φ = 7486656.

The previous prime is 11229973. The next prime is 11230031. The reversal of 11229993 is 39992211.

It is a happy number.

11229993 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 11108889 + 121104 = 3333^2 + 348^2 .

It is not a de Polignac number, because 11229993 - 2⁸ = 11229737 is a prime.

It is a super-2 number, since 2×11229993² = 252225485560098, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11229973) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 623880 + ... + 623897.

It is an arithmetic number, because the mean of its divisors is an integer number (2703519).

Almost surely, 2^11229993 is an apocalyptic number.

It is an amenable number.

11229993 is a deficient number, since it is larger than the sum of its proper divisors (4991121).

11229993 is a wasteful number, since it uses less digits than its factorization.

11229993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1247783 (or 1247780 counting only the distinct ones).

The product of its digits is 8748, while the sum is 36.

The square root of 11229993 is about 3351.1181715959. The cubic root of 11229993 is about 223.9373296723.

The spelling of 11229993 in words is "eleven million, two hundred twenty-nine thousand, nine hundred ninety-three".