22431043434405 has 16 divisors (see below), whose sum is σ = 35889992538624. Its totient is φ = 11963115483840.

The previous prime is 22431043434389. The next prime is 22431043434419. The reversal of 22431043434405 is 50443434013422.

It is not a de Polignac number, because 22431043434405 - 2⁴ = 22431043434389 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4993594 + ... + 8354523.

It is an arithmetic number, because the mean of its divisors is an integer number (2243124533664).

Almost surely, 2^{22431043434405} is an apocalyptic number.

It is an amenable number.

22431043434405 is a deficient number, since it is larger than the sum of its proper divisors (13458949104219).

22431043434405 is a wasteful number, since it uses less digits than its factorization.

22431043434405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13460156.

The product of its (nonzero) digits is 552960, while the sum is 39.

Adding to 22431043434405 its reverse (50443434013422), we get a palindrome (72874477447827).

The spelling of 22431043434405 in words is "twenty-two trillion, four hundred thirty-one billion, forty-three million, four hundred thirty-four thousand, four hundred five".