22050917691 has 8 divisors (see below), whose sum is σ = 32074062144. Its totient is φ = 13364192520.

The previous prime is 22050917621. The next prime is 22050917699. The reversal of 22050917691 is 19671905022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22050917691 - 2²⁵ = 22017363259 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22050917699) 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 7 ways as a sum of consecutive naturals, for example, 334104781 + ... + 334104846.

It is an arithmetic number, because the mean of its divisors is an integer number (4009257768).

Almost surely, 2^22050917691 is an apocalyptic number.

22050917691 is a deficient number, since it is larger than the sum of its proper divisors (10023144453).

22050917691 is a wasteful number, since it uses less digits than its factorization.

22050917691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668209641.

The product of its (nonzero) digits is 68040, while the sum is 42.

The spelling of 22050917691 in words is "twenty-two billion, fifty million, nine hundred seventeen thousand, six hundred ninety-one".