22146376780 has 24 divisors (see below), whose sum is σ = 50735336400. Its totient is φ = 8053227840.

The previous prime is 22146376711. The next prime is 22146376787. The reversal of 22146376780 is 8767364122.

It is a self number, because there is not a number n which added to its sum of digits gives 22146376780.

It is not an unprimeable number, because it can be changed into a prime (22146376787) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 50332455 + ... + 50332894.

It is an arithmetic number, because the mean of its divisors is an integer number (2113972350).

Almost surely, 2^22146376780 is an apocalyptic number.

22146376780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22146376780 is an abundant number, since it is smaller than the sum of its proper divisors (28588959620).

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

22146376780 is a wasteful number, since it uses less digits than its factorization.

22146376780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100665369 (or 100665367 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 46.

The spelling of 22146376780 in words is "twenty-two billion, one hundred forty-six million, three hundred seventy-six thousand, seven hundred eighty".