22224566777779 has 4 divisors (see below), whose sum is σ = 22825230744784. Its totient is φ = 21623902810776.

The previous prime is 22224566777713. The next prime is 22224566777801. The reversal of 22224566777779 is 97777766542222.

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 22224566777779 - 2¹⁵ = 22224566745011 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (22224566774779) 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, 300331983447 + ... + 300331983520.

It is an arithmetic number, because the mean of its divisors is an integer number (5706307686196).

Almost surely, 2^{22224566777779} is an apocalyptic number.

22224566777779 is a deficient number, since it is larger than the sum of its proper divisors (600663967005).

22224566777779 is an equidigital number, since it uses as much as digits as its factorization.

22224566777779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600663967004.

The product of its digits is 1742549760, while the sum is 73.

The spelling of 22224566777779 in words is "twenty-two trillion, two hundred twenty-four billion, five hundred sixty-six million, seven hundred seventy-seven thousand, seven hundred seventy-nine".