2218772095 has 4 divisors (see below), whose sum is σ = 2662526520. Its totient is φ = 1775017672.

The previous prime is 2218772033. The next prime is 2218772111. The reversal of 2218772095 is 5902778122.

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 2218772095 - 2⁷ = 2218771967 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221877205 + ... + 221877214.

It is an arithmetic number, because the mean of its divisors is an integer number (665631630).

Almost surely, 2^2218772095 is an apocalyptic number.

2218772095 is a deficient number, since it is larger than the sum of its proper divisors (443754425).

2218772095 is an equidigital number, since it uses as much as digits as its factorization.

2218772095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443754424.

The product of its (nonzero) digits is 141120, while the sum is 43.

The square root of 2218772095 is about 47103.8437391260. The cubic root of 2218772095 is about 1304.2801910157.

The spelling of 2218772095 in words is "two billion, two hundred eighteen million, seven hundred seventy-two thousand, ninety-five".