22489973 has 16 divisors (see below), whose sum is σ = 25615872. Its totient is φ = 19560000.

The previous prime is 22489937. The next prime is 22489979. The reversal of 22489973 is 37998422.

It is a cyclic number.

It is not a de Polignac number, because 22489973 - 2¹² = 22485877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22489979) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34115 + ... + 34767.

It is an arithmetic number, because the mean of its divisors is an integer number (1600992).

Almost surely, 2^22489973 is an apocalyptic number.

It is an amenable number.

22489973 is a deficient number, since it is larger than the sum of its proper divisors (3125899).

22489973 is a wasteful number, since it uses less digits than its factorization.

22489973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 796.

The product of its digits is 217728, while the sum is 44.

The square root of 22489973 is about 4742.3594338683. The cubic root of 22489973 is about 282.2688656853.

It can be divided in two parts, 2248 and 9973, that added together give a palindrome (12221).

The spelling of 22489973 in words is "twenty-two million, four hundred eighty-nine thousand, nine hundred seventy-three".