22431403230 has 32 divisors (see below), whose sum is σ = 56668809600. Its totient is φ = 5666880672.

The previous prime is 22431403207. The next prime is 22431403237. The reversal of 22431403230 is 3230413422.

It is a self number, because there is not a number n which added to its sum of digits gives 22431403230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22431403237) 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, 19676100 + ... + 19677239.

It is an arithmetic number, because the mean of its divisors is an integer number (1770900300).

Almost surely, 2^22431403230 is an apocalyptic number.

22431403230 is an abundant number, since it is smaller than the sum of its proper divisors (34237406370).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22431403230 is a wasteful number, since it uses less digits than its factorization.

22431403230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39353368.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 22431403230 its reverse (3230413422), we get a palindrome (25661816652).

The spelling of 22431403230 in words is "twenty-two billion, four hundred thirty-one million, four hundred three thousand, two hundred thirty".