22123473 has 8 divisors (see below), whose sum is σ = 29784768. Its totient is φ = 14605584.

The previous prime is 22123421. The next prime is 22123481. The reversal of 22123473 is 37432122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22123473 - 2¹³ = 22115281 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22122473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35490 + ... + 36107.

It is an arithmetic number, because the mean of its divisors is an integer number (3723096).

Almost surely, 2^22123473 is an apocalyptic number.

It is an amenable number.

22123473 is a deficient number, since it is larger than the sum of its proper divisors (7661295).

22123473 is a wasteful number, since it uses less digits than its factorization.

22123473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71703.

The product of its digits is 2016, while the sum is 24.

The square root of 22123473 is about 4703.5596094873. The cubic root of 22123473 is about 280.7271617922.

Adding to 22123473 its reverse (37432122), we get a palindrome (59555595).

The spelling of 22123473 in words is "twenty-two million, one hundred twenty-three thousand, four hundred seventy-three".