22344121021 has 8 divisors (see below), whose sum is σ = 22573419264. Its totient is φ = 22114981200.

The previous prime is 22344121013. The next prime is 22344121073. The reversal of 22344121021 is 12012144322.

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 22344121021 - 2³ = 22344121013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22344120983 and 22344121001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22344121091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 255100 + ... + 331306.

It is an arithmetic number, because the mean of its divisors is an integer number (2821677408).

Almost surely, 2^22344121021 is an apocalyptic number.

It is an amenable number.

22344121021 is a deficient number, since it is larger than the sum of its proper divisors (229298243).

22344121021 is a wasteful number, since it uses less digits than its factorization.

22344121021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79211.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 22344121021 its reverse (12012144322), we get a palindrome (34356265343).

The spelling of 22344121021 in words is "twenty-two billion, three hundred forty-four million, one hundred twenty-one thousand, twenty-one".