2221776223 has 12 divisors (see below), whose sum is σ = 2366343720. Its totient is φ = 2085602432.

The previous prime is 2221776211. The next prime is 2221776239. The reversal of 2221776223 is 3226771222.

It is not a de Polignac number, because 2221776223 - 2⁹ = 2221775711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221776253) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 102540 + ... + 122302.

It is an arithmetic number, because the mean of its divisors is an integer number (197195310).

Almost surely, 2^2221776223 is an apocalyptic number.

2221776223 is a deficient number, since it is larger than the sum of its proper divisors (144567497).

2221776223 is a wasteful number, since it uses less digits than its factorization.

2221776223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20186 (or 20169 counting only the distinct ones).

The product of its digits is 28224, while the sum is 34.

The square root of 2221776223 is about 47135.7213056086. The cubic root of 2221776223 is about 1304.8685731524.

The spelling of 2221776223 in words is "two billion, two hundred twenty-one million, seven hundred seventy-six thousand, two hundred twenty-three".