22423304140 has 24 divisors (see below), whose sum is σ = 47096888832. Its totient is φ = 8967807360.

The previous prime is 22423304117. The next prime is 22423304143. The reversal of 22423304140 is 4140332422.

It is a happy number.

It is a super-2 number, since 2×22423304140² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22423304143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30837 + ... + 214003.

It is an arithmetic number, because the mean of its divisors is an integer number (1962370368).

Almost surely, 2^22423304140 is an apocalyptic number.

22423304140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22423304140 is an abundant number, since it is smaller than the sum of its proper divisors (24673584692).

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

22423304140 is a wasteful number, since it uses less digits than its factorization.

22423304140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189297 (or 189295 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 22423304140 its reverse (4140332422), we get a palindrome (26563636562).

The spelling of 22423304140 in words is "twenty-two billion, four hundred twenty-three million, three hundred four thousand, one hundred forty".