2221011223 has 8 divisors (see below), whose sum is σ = 2354762880. Its totient is φ = 2087604480.

The previous prime is 2221011187. The next prime is 2221011227. The reversal of 2221011223 is 3221101222.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2221011223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2221011197 and 2221011206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221011227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72903 + ... + 98776.

It is an arithmetic number, because the mean of its divisors is an integer number (294345360).

Almost surely, 2^2221011223 is an apocalyptic number.

2221011223 is a deficient number, since it is larger than the sum of its proper divisors (133751657).

2221011223 is a wasteful number, since it uses less digits than its factorization.

2221011223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172457.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2221011223 is about 47127.6057422823. The cubic root of 2221011223 is about 1304.7187922339.

Adding to 2221011223 its reverse (3221101222), we get a palindrome (5442112445).

It can be divided in two parts, 22210 and 11223, that added together give a palindrome (33433).

The spelling of 2221011223 in words is "two billion, two hundred twenty-one million, eleven thousand, two hundred twenty-three".