22431768447 has 16 divisors (see below), whose sum is σ = 34547323392. Its totient is φ = 12795304320.

The previous prime is 22431768439. The next prime is 22431768451. The reversal of 22431768447 is 74486713422.

It is not a de Polignac number, because 22431768447 - 2³ = 22431768439 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22431768396 and 22431768405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22431767447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19992103 + ... + 19993224.

It is an arithmetic number, because the mean of its divisors is an integer number (2159207712).

Almost surely, 2^22431768447 is an apocalyptic number.

22431768447 is a deficient number, since it is larger than the sum of its proper divisors (12115554945).

22431768447 is a wasteful number, since it uses less digits than its factorization.

22431768447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39985358.

The product of its digits is 1806336, while the sum is 48.

The spelling of 22431768447 in words is "twenty-two billion, four hundred thirty-one million, seven hundred sixty-eight thousand, four hundred forty-seven".