22420420223 has 16 divisors (see below), whose sum is σ = 23726976000. Its totient is φ = 21126692160.

The previous prime is 22420420207. The next prime is 22420420229. The reversal of 22420420223 is 32202402422.

It is a cyclic number.

It is not a de Polignac number, because 22420420223 - 2⁴ = 22420420207 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 (22420420229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8892203 + ... + 8894723.

It is an arithmetic number, because the mean of its divisors is an integer number (1482936000).

Almost surely, 2^22420420223 is an apocalyptic number.

22420420223 is a deficient number, since it is larger than the sum of its proper divisors (1306555777).

22420420223 is a wasteful number, since it uses less digits than its factorization.

22420420223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4862.

The product of its (nonzero) digits is 3072, while the sum is 23.

Adding to 22420420223 its reverse (32202402422), we get a palindrome (54622822645).

The spelling of 22420420223 in words is "twenty-two billion, four hundred twenty million, four hundred twenty thousand, two hundred twenty-three".