22431104421 has 8 divisors (see below), whose sum is σ = 32627061024. Its totient is φ = 13594608720.

The previous prime is 22431104351. The next prime is 22431104429. The reversal of 22431104421 is 12440113422.

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

It is not a de Polignac number, because 22431104421 - 2¹¹ = 22431102373 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22431104391 and 22431104400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22431104429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 339865186 + ... + 339865251.

It is an arithmetic number, because the mean of its divisors is an integer number (4078382628).

Almost surely, 2^22431104421 is an apocalyptic number.

It is an amenable number.

22431104421 is a deficient number, since it is larger than the sum of its proper divisors (10195956603).

22431104421 is a wasteful number, since it uses less digits than its factorization.

22431104421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679730451.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 22431104421 its reverse (12440113422), we get a palindrome (34871217843).

Subtracting from 22431104421 its reverse (12440113422), we obtain a palindrome (9990990999).

The spelling of 22431104421 in words is "twenty-two billion, four hundred thirty-one million, one hundred four thousand, four hundred twenty-one".