22401255223 has 4 divisors (see below), whose sum is σ = 22401571248. Its totient is φ = 22400939200.

The previous prime is 22401255199. The next prime is 22401255241. The reversal of 22401255223 is 32255210422.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 32255210422 = 2 ⋅16127605211.

It is a cyclic number.

It is not a de Polignac number, because 22401255223 - 2²⁵ = 22367700791 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22401255191 and 22401255200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22401255293) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3015 + ... + 211687.

It is an arithmetic number, because the mean of its divisors is an integer number (5600392812).

Almost surely, 2^22401255223 is an apocalyptic number.

22401255223 is a deficient number, since it is larger than the sum of its proper divisors (316025).

22401255223 is a wasteful number, since it uses less digits than its factorization.

22401255223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316024.

The product of its (nonzero) digits is 9600, while the sum is 28.

Adding to 22401255223 its reverse (32255210422), we get a palindrome (54656465645).

The spelling of 22401255223 in words is "twenty-two billion, four hundred one million, two hundred fifty-five thousand, two hundred twenty-three".