23222444342421 has 16 divisors (see below), whose sum is σ = 32650185412800. Its totient is φ = 14641030470528.

The previous prime is 23222444342359. The next prime is 23222444342437. The reversal of 23222444342421 is 12424344422232.

It is not a de Polignac number, because 23222444342421 - 2¹⁷ = 23222444211349 is a prime.

It is a super-3 number, since 3×23222444342421³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 23222444342421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23222443342421) 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, 357973986 + ... + 358038851.

It is an arithmetic number, because the mean of its divisors is an integer number (2040636588300).

Almost surely, 2^{23222444342421} is an apocalyptic number.

It is an amenable number.

23222444342421 is a deficient number, since it is larger than the sum of its proper divisors (9427741070379).

23222444342421 is a wasteful number, since it uses less digits than its factorization.

23222444342421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716013428.

The product of its digits is 589824, while the sum is 39.

Adding to 23222444342421 its reverse (12424344422232), we get a palindrome (35646788764653).

The spelling of 23222444342421 in words is "twenty-three trillion, two hundred twenty-two billion, four hundred forty-four million, three hundred forty-two thousand, four hundred twenty-one".