11022389 has 4 divisors (see below), whose sum is σ = 12597024. Its totient is φ = 9447756.

The previous prime is 11022331. The next prime is 11022397. The reversal of 11022389 is 98322011.

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 an emirpimes, since its reverse is a distinct semiprime: 98322011 = 1091 ⋅90121.

It is a cyclic number.

It is not a de Polignac number, because 11022389 - 2¹⁶ = 10956853 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11022289) 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, 787307 + ... + 787320.

It is an arithmetic number, because the mean of its divisors is an integer number (3149256).

Almost surely, 2^11022389 is an apocalyptic number.

It is an amenable number.

11022389 is a deficient number, since it is larger than the sum of its proper divisors (1574635).

11022389 is an equidigital number, since it uses as much as digits as its factorization.

11022389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1574634.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 11022389 is about 3319.9983433731. The cubic root of 11022389 is about 222.5487937427.

It can be divided in two parts, 11022 and 389, that added together give a palindrome (11411).

The spelling of 11022389 in words is "eleven million, twenty-two thousand, three hundred eighty-nine".