11222389 has 4 divisors (see below), whose sum is σ = 11231424. Its totient is φ = 11213356.

The previous prime is 11222357. The next prime is 11222417. The reversal of 11222389 is 98322211.

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.

It is a cyclic number.

It is not a de Polignac number, because 11222389 - 2⁵ = 11222357 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11222339) 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, 2287 + ... + 5260.

It is an arithmetic number, because the mean of its divisors is an integer number (2807856).

Almost surely, 2^11222389 is an apocalyptic number.

It is an amenable number.

11222389 is a deficient number, since it is larger than the sum of its proper divisors (9035).

11222389 is an equidigital number, since it uses as much as digits as its factorization.

11222389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9034.

The product of its digits is 1728, while the sum is 28.

The square root of 11222389 is about 3349.9834327949. The cubic root of 11222389 is about 223.8867744632.

It can be divided in two parts, 11222 and 389, that added together give a palindrome (11611).

The spelling of 11222389 in words is "eleven million, two hundred twenty-two thousand, three hundred eighty-nine".