22344111021 has 4 divisors (see below), whose sum is σ = 29792148032. Its totient is φ = 14896074012.

The previous prime is 22344110993. The next prime is 22344111043. The reversal of 22344111021 is 12011144322.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 22344111021 - 2¹⁴ = 22344094637 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22344111061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3724018501 + ... + 3724018506.

It is an arithmetic number, because the mean of its divisors is an integer number (7448037008).

Almost surely, 2^22344111021 is an apocalyptic number.

It is an amenable number.

22344111021 is a deficient number, since it is larger than the sum of its proper divisors (7448037011).

22344111021 is an equidigital number, since it uses as much as digits as its factorization.

22344111021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7448037010.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 22344111021 its reverse (12011144322), we get a palindrome (34355255343).

The spelling of 22344111021 in words is "twenty-two billion, three hundred forty-four million, one hundred eleven thousand, twenty-one".