22768606249 has 4 divisors (see below), whose sum is σ = 22768926336. Its totient is φ = 22768286164.

The previous prime is 22768606199. The next prime is 22768606261. The reversal of 22768606249 is 94260686722.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 22768606249 - 2³¹ = 20621122601 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22768606196 and 22768606205.

It is not an unprimeable number, because it can be changed into a prime (22768636249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12 + ... + 213394.

It is an arithmetic number, because the mean of its divisors is an integer number (5692231584).

Almost surely, 2^22768606249 is an apocalyptic number.

It is an amenable number.

22768606249 is a deficient number, since it is larger than the sum of its proper divisors (320087).

22768606249 is a wasteful number, since it uses less digits than its factorization.

22768606249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320086.

The product of its (nonzero) digits is 3483648, while the sum is 52.

The spelling of 22768606249 in words is "twenty-two billion, seven hundred sixty-eight million, six hundred six thousand, two hundred forty-nine".