2221168814 has 4 divisors (see below), whose sum is σ = 3331753224. Its totient is φ = 1110584406.

The previous prime is 2221168787. The next prime is 2221168823. The reversal of 2221168814 is 4188611222.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 555292202 + ... + 555292205.

It is an arithmetic number, because the mean of its divisors is an integer number (832938306).

Almost surely, 2^2221168814 is an apocalyptic number.

2221168814 is a deficient number, since it is larger than the sum of its proper divisors (1110584410).

2221168814 is a wasteful number, since it uses less digits than its factorization.

2221168814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110584409.

The product of its digits is 12288, while the sum is 35.

The square root of 2221168814 is about 47129.2776732256. The cubic root of 2221168814 is about 1304.7496501114.

The spelling of 2221168814 in words is "two billion, two hundred twenty-one million, one hundred sixty-eight thousand, eight hundred fourteen".