2223889 has 4 divisors (see below), whose sum is σ = 2354724. Its totient is φ = 2093056.

The previous prime is 2223883. The next prime is 2223901. The reversal of 2223889 is 9883222.

It is a happy number.

2223889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1937664 + 286225 = 1392^2 + 535^2 .

It is a cyclic number.

It is not a de Polignac number, because 2223889 - 2⁵ = 2223857 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 (2223883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65392 + ... + 65425.

It is an arithmetic number, because the mean of its divisors is an integer number (588681).

2^2223889 is an apocalyptic number.

It is an amenable number.

2223889 is a deficient number, since it is larger than the sum of its proper divisors (130835).

2223889 is a wasteful number, since it uses less digits than its factorization.

2223889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130834.

The product of its digits is 13824, while the sum is 34.

The square root of 2223889 is about 1491.2709344717. The cubic root of 2223889 is about 130.5282059572.

The spelling of 2223889 in words is "two million, two hundred twenty-three thousand, eight hundred eighty-nine".