2220346775 has 12 divisors (see below), whose sum is σ = 2753847552. Its totient is φ = 1775879040.

The previous prime is 2220346741. The next prime is 2220346811. The reversal of 2220346775 is 5776430222.

It is a de Polignac number, because none of the positive numbers 2^k-2220346775 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 161834 + ... + 175016.

It is an arithmetic number, because the mean of its divisors is an integer number (229487296).

Almost surely, 2^2220346775 is an apocalyptic number.

2220346775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2220346775 is a deficient number, since it is larger than the sum of its proper divisors (533500777).

2220346775 is a wasteful number, since it uses less digits than its factorization.

2220346775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19930 (or 19925 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 38.

The square root of 2220346775 is about 47120.5557586071. Note that the first 3 decimals coincide. The cubic root of 2220346775 is about 1304.5886706857.

Adding to 2220346775 its reverse (5776430222), we get a palindrome (7996776997).

The spelling of 2220346775 in words is "two billion, two hundred twenty million, three hundred forty-six thousand, seven hundred seventy-five".