22323889 has 16 divisors (see below), whose sum is σ = 26173440. Its totient is φ = 18645840.

The previous prime is 22323887. The next prime is 22323893. The reversal of 22323889 is 98832322.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 22323889 - 2¹ = 22323887 is a prime.

It is a super-3 number, since 3×22323889³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22323887) 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 15 ways as a sum of consecutive naturals, for example, 78742 + ... + 79024.

It is an arithmetic number, because the mean of its divisors is an integer number (1635840).

Almost surely, 2^22323889 is an apocalyptic number.

It is an amenable number.

22323889 is a deficient number, since it is larger than the sum of its proper divisors (3849551).

22323889 is a wasteful number, since it uses less digits than its factorization.

22323889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540.

The product of its digits is 41472, while the sum is 37.

The square root of 22323889 is about 4724.8162927250. The cubic root of 22323889 is about 281.5723149933.

The spelling of 22323889 in words is "twenty-two million, three hundred twenty-three thousand, eight hundred eighty-nine".