22529775797 has 4 divisors (see below), whose sum is σ = 22531389216. Its totient is φ = 22528162380.

The previous prime is 22529775773. The next prime is 22529775817. The reversal of 22529775797 is 79757792522.

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 22529775797 - 2¹⁶ = 22529710261 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 (22529775707) 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, 785579 + ... + 813752.

It is an arithmetic number, because the mean of its divisors is an integer number (5632847304).

Almost surely, 2^22529775797 is an apocalyptic number.

It is an amenable number.

22529775797 is a deficient number, since it is larger than the sum of its proper divisors (1613419).

22529775797 is a wasteful number, since it uses less digits than its factorization.

22529775797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1613418.

The product of its digits is 38896200, while the sum is 62.

The spelling of 22529775797 in words is "twenty-two billion, five hundred twenty-nine million, seven hundred seventy-five thousand, seven hundred ninety-seven".