2221301223 has 12 divisors (see below), whose sum is σ = 3249161760. Its totient is φ = 1462121856.

The previous prime is 2221301219. The next prime is 2221301227. The reversal of 2221301223 is 3221031222.

It is an interprime number because it is at equal distance from previous prime (2221301219) and next prime (2221301227).

It is not a de Polignac number, because 2221301223 - 2² = 2221301219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2221301196 and 2221301205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221301227) by changing a digit.

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, 1561386 + ... + 1562807.

It is an arithmetic number, because the mean of its divisors is an integer number (270763480).

Almost surely, 2^2221301223 is an apocalyptic number.

2221301223 is a deficient number, since it is larger than the sum of its proper divisors (1027860537).

2221301223 is a wasteful number, since it uses less digits than its factorization.

2221301223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3124278 (or 3124275 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2221301223 is about 47130.6823948052. The cubic root of 2221301223 is about 1304.7755759757.

Adding to 2221301223 its reverse (3221031222), we get a palindrome (5442332445).

The spelling of 2221301223 in words is "two billion, two hundred twenty-one million, three hundred one thousand, two hundred twenty-three".