22149199777728 has 28 divisors (see below), whose sum is σ = 58603091079080. Its totient is φ = 7383066592512.

The previous prime is 22149199777721. The next prime is 22149199777751. The reversal of 22149199777728 is 82777799194122.

It is a self number, because there is not a number n which added to its sum of digits gives 22149199777728.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22149199777721) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 57680207563 + ... + 57680207946.

Almost surely, 2^{22149199777728} is an apocalyptic number.

It is an amenable number.

22149199777728 is an abundant number, since it is smaller than the sum of its proper divisors (36453891301352).

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

22149199777728 is a wasteful number, since it uses less digits than its factorization.

22149199777728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115360415524 (or 115360415514 counting only the distinct ones).

The product of its digits is 448084224, while the sum is 75.

The spelling of 22149199777728 in words is "twenty-two trillion, one hundred forty-nine billion, one hundred ninety-nine million, seven hundred seventy-seven thousand, seven hundred twenty-eight".