22000444423 has 8 divisors (see below), whose sum is σ = 22390690896. Its totient is φ = 21612600000.

The previous prime is 22000444421. The next prime is 22000444429. The reversal of 22000444423 is 32444400022.

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

It is a cyclic number.

It is not a de Polignac number, because 22000444423 - 2¹ = 22000444421 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 (22000444421) 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, 582028 + ... + 618673.

It is an arithmetic number, because the mean of its divisors is an integer number (2798836362).

Almost surely, 2^22000444423 is an apocalyptic number.

22000444423 is a deficient number, since it is larger than the sum of its proper divisors (390246473).

22000444423 is a wasteful number, since it uses less digits than its factorization.

22000444423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1201025.

The product of its (nonzero) digits is 6144, while the sum is 25.

Adding to 22000444423 its reverse (32444400022), we get a palindrome (54444844445).

The spelling of 22000444423 in words is "twenty-two billion, four hundred forty-four thousand, four hundred twenty-three".