22973445 has 24 divisors (see below), whose sum is σ = 43441632. Its totient is φ = 11138400.

The previous prime is 22973441. The next prime is 22973471. The reversal of 22973445 is 54437922.

It is not a de Polignac number, because 22973445 - 2² = 22973441 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22973441) 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 23 ways as a sum of consecutive naturals, for example, 22711 + ... + 23700.

It is an arithmetic number, because the mean of its divisors is an integer number (1810068).

Almost surely, 2^22973445 is an apocalyptic number.

It is an amenable number.

22973445 is a deficient number, since it is larger than the sum of its proper divisors (20468187).

22973445 is a wasteful number, since it uses less digits than its factorization.

22973445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46433 (or 46430 counting only the distinct ones).

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

The square root of 22973445 is about 4793.0621736005. The cubic root of 22973445 is about 284.2772081734.

The spelling of 22973445 in words is "twenty-two million, nine hundred seventy-three thousand, four hundred forty-five".