22430897688 has 32 divisors (see below), whose sum is σ = 56082657600. Its totient is φ = 7476244128.

The previous prime is 22430897681. The next prime is 22430897711. The reversal of 22430897688 is 88679803422.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22430897681) 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, 247395 + ... + 325677.

It is an arithmetic number, because the mean of its divisors is an integer number (1752583050).

Almost surely, 2^22430897688 is an apocalyptic number.

It is an amenable number.

22430897688 is an abundant number, since it is smaller than the sum of its proper divisors (33651759912).

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

22430897688 is a wasteful number, since it uses less digits than its factorization.

22430897688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90231 (or 90227 counting only the distinct ones).

The product of its (nonzero) digits is 9289728, while the sum is 57.

The spelling of 22430897688 in words is "twenty-two billion, four hundred thirty million, eight hundred ninety-seven thousand, six hundred eighty-eight".