11140229 has 4 divisors (see below), whose sum is σ = 11350476. Its totient is φ = 10929984.

The previous prime is 11140193. The next prime is 11140231. The reversal of 11140229 is 92204111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 92204111 = 37 ⋅2492003.

It can be written as a sum of positive squares in 2 ways, for example, as 4739329 + 6400900 = 2177^2 + 2530^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11140229 is a prime.

It is a super-3 number, since 3×11140229³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11140229.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11146229) 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 3 ways as a sum of consecutive naturals, for example, 105044 + ... + 105149.

It is an arithmetic number, because the mean of its divisors is an integer number (2837619).

Almost surely, 2^11140229 is an apocalyptic number.

It is an amenable number.

11140229 is a deficient number, since it is larger than the sum of its proper divisors (210247).

11140229 is an equidigital number, since it uses as much as digits as its factorization.

11140229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210246.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 11140229 is about 3337.6981589113. The cubic root of 11140229 is about 223.3390714102.

The spelling of 11140229 in words is "eleven million, one hundred forty thousand, two hundred twenty-nine".