22544973 has 20 divisors (see below), whose sum is σ = 36741408. Its totient is φ = 13663080.

The previous prime is 22544953. The next prime is 22544983. The reversal of 22544973 is 37944522.

22544973 is a `hidden beast` number, since 22 + 544 + 97 + 3 = 666.

It is not a de Polignac number, because 22544973 - 2¹⁰ = 22543949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22544923) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 11761 + ... + 13542.

Almost surely, 2^22544973 is an apocalyptic number.

It is an amenable number.

22544973 is a deficient number, since it is larger than the sum of its proper divisors (14196435).

22544973 is a wasteful number, since it uses less digits than its factorization.

22544973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25326 (or 25317 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 22544973 is about 4748.1546941944. The cubic root of 22544973 is about 282.4987777638.

It can be divided in two parts, 225449 and 73, that added together give a palindrome (225522).

The spelling of 22544973 in words is "twenty-two million, five hundred forty-four thousand, nine hundred seventy-three".