22842399 has 8 divisors (see below), whose sum is σ = 30545200. Its totient is φ = 15183936.

The previous prime is 22842397. The next prime is 22842419. The reversal of 22842399 is 99324822.

It is a happy number.

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

It is not a de Polignac number, because 22842399 - 2¹ = 22842397 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 (22842397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9862 + ... + 11955.

It is an arithmetic number, because the mean of its divisors is an integer number (3818150).

Almost surely, 2^22842399 is an apocalyptic number.

22842399 is a deficient number, since it is larger than the sum of its proper divisors (7702801).

22842399 is a wasteful number, since it uses less digits than its factorization.

22842399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22169.

The product of its digits is 62208, while the sum is 39.

The square root of 22842399 is about 4779.3722391126. The cubic root of 22842399 is about 283.7356488437.

The spelling of 22842399 in words is "twenty-two million, eight hundred forty-two thousand, three hundred ninety-nine".