22242374 has 48 divisors (see below), whose sum is σ = 43338240. Its totient is φ = 8462160.

The previous prime is 22242343. The next prime is 22242397. The reversal of 22242374 is 47324222.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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, 50447 + ... + 50885.

It is an arithmetic number, because the mean of its divisors is an integer number (902880).

Almost surely, 2^22242374 is an apocalyptic number.

22242374 is a deficient number, since it is larger than the sum of its proper divisors (21095866).

22242374 is a wasteful number, since it uses less digits than its factorization.

22242374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513 (or 506 counting only the distinct ones).

The product of its digits is 5376, while the sum is 26.

The square root of 22242374 is about 4716.1821423690. The cubic root of 22242374 is about 281.2291794299.

Adding to 22242374 its reverse (47324222), we get a palindrome (69566596).

The spelling of 22242374 in words is "twenty-two million, two hundred forty-two thousand, three hundred seventy-four".