22434334421 has 4 divisors (see below), whose sum is σ = 22471788000. Its totient is φ = 22396880844.

The previous prime is 22434334399. The next prime is 22434334441. The reversal of 22434334421 is 12443343422.

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, and also an emirpimes, since its reverse is a distinct semiprime: 12443343422 = 2 ⋅6221671711.

It is a cyclic number.

It is not a de Polignac number, because 22434334421 - 2¹⁸ = 22434072277 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 (22434334441) 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, 18725891 + ... + 18727088.

It is an arithmetic number, because the mean of its divisors is an integer number (5617947000).

Almost surely, 2^22434334421 is an apocalyptic number.

It is an amenable number.

22434334421 is a deficient number, since it is larger than the sum of its proper divisors (37453579).

22434334421 is an equidigital number, since it uses as much as digits as its factorization.

22434334421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37453578.

The product of its digits is 55296, while the sum is 32.

Adding to 22434334421 its reverse (12443343422), we get a palindrome (34877677843).

Subtracting from 22434334421 its reverse (12443343422), we obtain a palindrome (9990990999).

The spelling of 22434334421 in words is "twenty-two billion, four hundred thirty-four million, three hundred thirty-four thousand, four hundred twenty-one".