22200423 has 8 divisors (see below), whose sum is σ = 33829248. Its totient is φ = 12685944.

The previous prime is 22200421. The next prime is 22200443. The reversal of 22200423 is 32400222.

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

It is not a de Polignac number, because 22200423 - 2¹ = 22200421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22200421) 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 7 ways as a sum of consecutive naturals, for example, 528561 + ... + 528602.

It is an arithmetic number, because the mean of its divisors is an integer number (4228656).

Almost surely, 2^22200423 is an apocalyptic number.

22200423 is a deficient number, since it is larger than the sum of its proper divisors (11628825).

22200423 is a wasteful number, since it uses less digits than its factorization.

22200423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1057173.

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 22200423 is about 4711.7324839171. The cubic root of 22200423 is about 281.0522608100.

Adding to 22200423 its reverse (32400222), we get a palindrome (54600645).

The spelling of 22200423 in words is "twenty-two million, two hundred thousand, four hundred twenty-three".