22001324223 has 8 divisors (see below), whose sum is σ = 29343569200. Its totient is φ = 14663314368.

The previous prime is 22001324221. The next prime is 22001324239. The reversal of 22001324223 is 32242310022.

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

It is not a de Polignac number, because 22001324223 - 2¹ = 22001324221 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22001324223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22001324221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1046638 + ... + 1067451.

It is an arithmetic number, because the mean of its divisors is an integer number (3667946150).

Almost surely, 2^22001324223 is an apocalyptic number.

22001324223 is a deficient number, since it is larger than the sum of its proper divisors (7342244977).

22001324223 is a wasteful number, since it uses less digits than its factorization.

22001324223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2117561.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 22001324223 its reverse (32242310022), we get a palindrome (54243634245).

The spelling of 22001324223 in words is "twenty-two billion, one million, three hundred twenty-four thousand, two hundred twenty-three".