2224556779 has 4 divisors (see below), whose sum is σ = 2226011320. Its totient is φ = 2223102240.

The previous prime is 2224556773. The next prime is 2224556801. The reversal of 2224556779 is 9776554222.

It is a happy number.

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 2224556779 - 2¹⁵ = 2224524011 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 (2224556773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 724974 + ... + 728035.

It is an arithmetic number, because the mean of its divisors is an integer number (556502830).

Almost surely, 2^2224556779 is an apocalyptic number.

2224556779 is a deficient number, since it is larger than the sum of its proper divisors (1454541).

2224556779 is a wasteful number, since it uses less digits than its factorization.

2224556779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1454540.

The product of its digits is 2116800, while the sum is 49.

The square root of 2224556779 is about 47165.2072930884. The cubic root of 2224556779 is about 1305.4126944975.

The spelling of 2224556779 in words is "two billion, two hundred twenty-four million, five hundred fifty-six thousand, seven hundred seventy-nine".