11331229 has 16 divisors (see below), whose sum is σ = 14031360. Its totient is φ = 8910720.

The previous prime is 11331227. The next prime is 11331233. The reversal of 11331229 is 92213311.

11331229 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11331229 - 2¹ = 11331227 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11331227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21489 + ... + 22009.

It is an arithmetic number, because the mean of its divisors is an integer number (876960).

Almost surely, 2^11331229 is an apocalyptic number.

It is an amenable number.

11331229 is a deficient number, since it is larger than the sum of its proper divisors (2700131).

11331229 is a wasteful number, since it uses less digits than its factorization.

11331229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 780.

The product of its digits is 324, while the sum is 22.

The square root of 11331229 is about 3366.1890915396. The cubic root of 11331229 is about 224.6082334845.

The spelling of 11331229 in words is "eleven million, three hundred thirty-one thousand, two hundred twenty-nine".