22505062668 has 48 divisors (see below), whose sum is σ = 57295144704. Its totient is φ = 6818581440.

The previous prime is 22505062637. The next prime is 22505062673. The reversal of 22505062668 is 86626050522.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1131546 + ... + 1151262.

It is an arithmetic number, because the mean of its divisors is an integer number (1193648848).

Almost surely, 2^22505062668 is an apocalyptic number.

It is an amenable number.

22505062668 is an abundant number, since it is smaller than the sum of its proper divisors (34790082036).

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

22505062668 is a wasteful number, since it uses less digits than its factorization.

22505062668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28382 (or 28380 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 42.

The spelling of 22505062668 in words is "twenty-two billion, five hundred five million, sixty-two thousand, six hundred sixty-eight".