22212200423 has 8 divisors (see below), whose sum is σ = 25925486592. Its totient is φ = 18633942936.

The previous prime is 22212200411. The next prime is 22212200441. The reversal of 22212200423 is 32400221222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22212200423 - 2⁸ = 22212200167 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22212200395 and 22212200404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22212200453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33756815 + ... + 33757472.

It is an arithmetic number, because the mean of its divisors is an integer number (3240685824).

Almost surely, 2^22212200423 is an apocalyptic number.

22212200423 is a deficient number, since it is larger than the sum of its proper divisors (3713286169).

22212200423 is an equidigital number, since it uses as much as digits as its factorization.

22212200423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67514341.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 22212200423 its reverse (32400221222), we get a palindrome (54612421645).

The spelling of 22212200423 in words is "twenty-two billion, two hundred twelve million, two hundred thousand, four hundred twenty-three".