22289603 has 16 divisors (see below), whose sum is σ = 27744000. Its totient is φ = 17472672.

The previous prime is 22289593. The next prime is 22289611. The reversal of 22289603 is 30698222.

It is not a de Polignac number, because 22289603 - 2¹⁸ = 22027459 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22289603.

It is not an unprimeable number, because it can be changed into a prime (22289633) 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, 968 + ... + 6746.

It is an arithmetic number, because the mean of its divisors is an integer number (1734000).

Almost surely, 2^22289603 is an apocalyptic number.

22289603 is a deficient number, since it is larger than the sum of its proper divisors (5454397).

22289603 is a wasteful number, since it uses less digits than its factorization.

22289603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5834.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 22289603 is about 4721.1866093176. The cubic root of 22289603 is about 281.4280907955.

The spelling of 22289603 in words is "twenty-two million, two hundred eighty-nine thousand, six hundred three".