11445229 has 4 divisors (see below), whose sum is σ = 11452000. Its totient is φ = 11438460.

The previous prime is 11445223. The next prime is 11445241. The reversal of 11445229 is 92254411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 92254411 = 2297 ⋅40163.

It is a cyclic number.

It is not a de Polignac number, because 11445229 - 2³ = 11445221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11445197 and 11445206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11445221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1522 + ... + 5020.

It is an arithmetic number, because the mean of its divisors is an integer number (2863000).

Almost surely, 2^11445229 is an apocalyptic number.

It is an amenable number.

11445229 is a deficient number, since it is larger than the sum of its proper divisors (6771).

11445229 is an equidigital number, since it uses as much as digits as its factorization.

11445229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6770.

The product of its digits is 2880, while the sum is 28.

The square root of 11445229 is about 3383.0798098774. The cubic root of 11445229 is about 225.3589595304.

It can be divided in two parts, 114452 and 29, that added together give a triangular number (114481 = T₄₇₈).

The spelling of 11445229 in words is "eleven million, four hundred forty-five thousand, two hundred twenty-nine".