22011547799 has 4 divisors (see below), whose sum is σ = 22721597760. Its totient is φ = 21301497840.

The previous prime is 22011547763. The next prime is 22011547829. The reversal of 22011547799 is 99774511022.

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 22011547799 - 2¹² = 22011543703 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 (22011547499) 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, 355024934 + ... + 355024995.

It is an arithmetic number, because the mean of its divisors is an integer number (5680399440).

Almost surely, 2^22011547799 is an apocalyptic number.

22011547799 is a deficient number, since it is larger than the sum of its proper divisors (710049961).

22011547799 is an equidigital number, since it uses as much as digits as its factorization.

22011547799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710049960.

The product of its (nonzero) digits is 317520, while the sum is 47.

The spelling of 22011547799 in words is "twenty-two billion, eleven million, five hundred forty-seven thousand, seven hundred ninety-nine".