22400320223 has 4 divisors (see below), whose sum is σ = 22401270840. Its totient is φ = 22399369608.

The previous prime is 22400320213. The next prime is 22400320247. The reversal of 22400320223 is 32202300422.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22400320223 - 2⁴ = 22400320207 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22400320195 and 22400320204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22400320213) 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, 439040 + ... + 487397.

It is an arithmetic number, because the mean of its divisors is an integer number (5600317710).

Almost surely, 2^22400320223 is an apocalyptic number.

22400320223 is a deficient number, since it is larger than the sum of its proper divisors (950617).

22400320223 is an equidigital number, since it uses as much as digits as its factorization.

22400320223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 950616.

The product of its (nonzero) digits is 1152, while the sum is 20.

Adding to 22400320223 its reverse (32202300422), we get a palindrome (54602620645).

The spelling of 22400320223 in words is "twenty-two billion, four hundred million, three hundred twenty thousand, two hundred twenty-three".