18822446223 has 32 divisors (see below), whose sum is σ = 30499462656. Its totient is φ = 10079505408.

The previous prime is 18822446219. The next prime is 18822446261. The reversal of 18822446223 is 32264422881.

It is not a de Polignac number, because 18822446223 - 2² = 18822446219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18822446323) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29961 + ... + 196322.

It is an arithmetic number, because the mean of its divisors is an integer number (953108208).

Almost surely, 2^18822446223 is an apocalyptic number.

18822446223 is a deficient number, since it is larger than the sum of its proper divisors (11677016433).

18822446223 is a wasteful number, since it uses less digits than its factorization.

18822446223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226543.

The product of its digits is 294912, while the sum is 42.

The spelling of 18822446223 in words is "eighteen billion, eight hundred twenty-two million, four hundred forty-six thousand, two hundred twenty-three".