22200022223 has 4 divisors (see below), whose sum is σ = 22223919840. Its totient is φ = 22176124608.

The previous prime is 22200022213. The next prime is 22200022277. The reversal of 22200022223 is 32222000222.

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 22200022223 - 2²⁸ = 21931586767 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 (22200022213) 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, 11947415 + ... + 11949272.

It is an arithmetic number, because the mean of its divisors is an integer number (5555979960).

Almost surely, 2^22200022223 is an apocalyptic number.

22200022223 is a deficient number, since it is larger than the sum of its proper divisors (23897617).

22200022223 is an equidigital number, since it uses as much as digits as its factorization.

22200022223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23897616.

The product of its (nonzero) digits is 384, while the sum is 17.

Adding to 22200022223 its reverse (32222000222), we get a palindrome (54422022445).

The spelling of 22200022223 in words is "twenty-two billion, two hundred million, twenty-two thousand, two hundred twenty-three".