22212263423 has 4 divisors (see below), whose sum is σ = 25385443920. Its totient is φ = 19039082928.

The previous prime is 22212263417. The next prime is 22212263449. The reversal of 22212263423 is 32436221222.

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 22212263423 - 2³⁴ = 5032394239 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 (22212260423) 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, 1586590238 + ... + 1586590251.

It is an arithmetic number, because the mean of its divisors is an integer number (6346360980).

Almost surely, 2^22212263423 is an apocalyptic number.

22212263423 is a deficient number, since it is larger than the sum of its proper divisors (3173180497).

22212263423 is an equidigital number, since it uses as much as digits as its factorization.

22212263423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3173180496.

The product of its digits is 13824, while the sum is 29.

Adding to 22212263423 its reverse (32436221222), we get a palindrome (54648484645).

The spelling of 22212263423 in words is "twenty-two billion, two hundred twelve million, two hundred sixty-three thousand, four hundred twenty-three".