22166934782 has 16 divisors (see below), whose sum is σ = 35027865600. Its totient is φ = 10491894360.

The previous prime is 22166934743. The next prime is 22166934821. The reversal of 22166934782 is 28743966122.

It is an interprime number because it is at equal distance from previous prime (22166934743) and next prime (22166934821).

It is a self number, because there is not a number n which added to its sum of digits gives 22166934782.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179444 + ... + 276647.

It is an arithmetic number, because the mean of its divisors is an integer number (2189241600).

Almost surely, 2^22166934782 is an apocalyptic number.

22166934782 is a deficient number, since it is larger than the sum of its proper divisors (12860930818).

22166934782 is a wasteful number, since it uses less digits than its factorization.

22166934782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457391.

The product of its digits is 1741824, while the sum is 50.

The spelling of 22166934782 in words is "twenty-two billion, one hundred sixty-six million, nine hundred thirty-four thousand, seven hundred eighty-two".