22223453999 has 4 divisors (see below), whose sum is σ = 22224053760. Its totient is φ = 22222854240.

The previous prime is 22223453977. The next prime is 22223454031. The reversal of 22223453999 is 99935432222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99935432222 = 2 ⋅49967716111.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22223453999 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 (22223453939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 240362 + ... + 319719.

It is an arithmetic number, because the mean of its divisors is an integer number (5556013440).

Almost surely, 2^22223453999 is an apocalyptic number.

22223453999 is a deficient number, since it is larger than the sum of its proper divisors (599761).

22223453999 is an equidigital number, since it uses as much as digits as its factorization.

22223453999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599760.

The product of its digits is 2099520, while the sum is 50.

The spelling of 22223453999 in words is "twenty-two billion, two hundred twenty-three million, four hundred fifty-three thousand, nine hundred ninety-nine".