22246889 has 4 divisors (see below), whose sum is σ = 25425024. Its totient is φ = 19068756.

The previous prime is 22246877. The next prime is 22246901. The reversal of 22246889 is 98864222.

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.

It is an interprime number because it is at equal distance from previous prime (22246877) and next prime (22246901).

It is not a de Polignac number, because 22246889 - 2¹² = 22242793 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (22246849) 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, 1589057 + ... + 1589070.

It is an arithmetic number, because the mean of its divisors is an integer number (6356256).

Almost surely, 2^22246889 is an apocalyptic number.

It is an amenable number.

22246889 is a deficient number, since it is larger than the sum of its proper divisors (3178135).

22246889 is an equidigital number, since it uses as much as digits as its factorization.

22246889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3178134.

The product of its digits is 110592, while the sum is 41.

The square root of 22246889 is about 4716.6607891601. The cubic root of 22246889 is about 281.2482071326.

The spelling of 22246889 in words is "twenty-two million, two hundred forty-six thousand, eight hundred eighty-nine".