2221240223 has 2 divisors, whose sum is σ = 2221240224. Its totient is φ = 2221240222.

The previous prime is 2221240199. The next prime is 2221240237. The reversal of 2221240223 is 3220421222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2221240223 - 2⁶ = 2221240159 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2221240195 and 2221240204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2221240243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110620111 + 1110620112.

It is an arithmetic number, because the mean of its divisors is an integer number (1110620112).

Almost surely, 2^2221240223 is an apocalyptic number.

2221240223 is a deficient number, since it is larger than the sum of its proper divisors (1).

2221240223 is an equidigital number, since it uses as much as digits as its factorization.

2221240223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 2221240223 is about 47130.0352535408. The cubic root of 2221240223 is about 1304.7636322198.

Adding to 2221240223 its reverse (3220421222), we get a palindrome (5441661445).

The spelling of 2221240223 in words is "two billion, two hundred twenty-one million, two hundred forty thousand, two hundred twenty-three".