22549797797 has 4 divisors (see below), whose sum is σ = 23736629280. Its totient is φ = 21362966316.

The previous prime is 22549797773. The next prime is 22549797827. The reversal of 22549797797 is 79779794522.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22549797797 - 2¹⁴ = 22549781413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22549797707) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 593415713 + ... + 593415750.

It is an arithmetic number, because the mean of its divisors is an integer number (5934157320).

Almost surely, 2^22549797797 is an apocalyptic number.

It is an amenable number.

22549797797 is a deficient number, since it is larger than the sum of its proper divisors (1186831483).

22549797797 is a wasteful number, since it uses less digits than its factorization.

22549797797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1186831482.

The product of its digits is 140026320, while the sum is 68.

The spelling of 22549797797 in words is "twenty-two billion, five hundred forty-nine million, seven hundred ninety-seven thousand, seven hundred ninety-seven".