22302989438 has 20 divisors (see below), whose sum is σ = 34191643440. Its totient is φ = 10909324296.

The previous prime is 22302989399. The next prime is 22302989441. The reversal of 22302989438 is 83498920322.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 204614528 + ... + 204614636.

It is an arithmetic number, because the mean of its divisors is an integer number (1709582172).

Almost surely, 2^22302989438 is an apocalyptic number.

22302989438 is a deficient number, since it is larger than the sum of its proper divisors (11888654002).

22302989438 is an frugal number, since it uses more digits than its factorization.

22302989438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517 (or 190 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 50.

The spelling of 22302989438 in words is "twenty-two billion, three hundred two million, nine hundred eighty-nine thousand, four hundred thirty-eight".