22431205023225 has 24 divisors (see below), whose sum is σ = 39267803619360. Its totient is φ = 11259585265920.

The previous prime is 22431205023209. The next prime is 22431205023319. The reversal of 22431205023225 is 52232050213422.

It is a happy number.

It is not a de Polignac number, because 22431205023225 - 2⁴ = 22431205023209 is a prime.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 8796549715 + ... + 8796552264.

It is an arithmetic number, because the mean of its divisors is an integer number (1636158484140).

Almost surely, 2^{22431205023225} is an apocalyptic number.

22431205023225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22431205023225 is a deficient number, since it is larger than the sum of its proper divisors (16836598596135).

22431205023225 is a wasteful number, since it uses less digits than its factorization.

22431205023225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17593102009 (or 17593102004 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 33.

Adding to 22431205023225 its reverse (52232050213422), we get a palindrome (74663255236647).

The spelling of 22431205023225 in words is "twenty-two trillion, four hundred thirty-one billion, two hundred five million, twenty-three thousand, two hundred twenty-five".