22550776867 has 4 divisors (see below), whose sum is σ = 23737659880. Its totient is φ = 21363893856.

The previous prime is 22550776847. The next prime is 22550776873. The reversal of 22550776867 is 76867705522.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22550776867 - 2¹⁹ = 22550252579 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22550776817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 593441478 + ... + 593441515.

It is an arithmetic number, because the mean of its divisors is an integer number (5934414970).

Almost surely, 2^22550776867 is an apocalyptic number.

22550776867 is a deficient number, since it is larger than the sum of its proper divisors (1186883013).

22550776867 is a wasteful number, since it uses less digits than its factorization.

22550776867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1186883012.

The product of its (nonzero) digits is 9878400, while the sum is 55.

The spelling of 22550776867 in words is "twenty-two billion, five hundred fifty million, seven hundred seventy-six thousand, eight hundred sixty-seven".