2221031023 has 2 divisors, whose sum is σ = 2221031024. Its totient is φ = 2221031022.

The previous prime is 2221031003. The next prime is 2221031047. The reversal of 2221031023 is 3201301222.

2221031023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2221031023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2221030988 and 2221031006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2221031003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110515511 + 1110515512.

It is an arithmetic number, because the mean of its divisors is an integer number (1110515512).

Almost surely, 2^2221031023 is an apocalyptic number.

2221031023 is a deficient number, since it is larger than the sum of its proper divisors (1).

2221031023 is an equidigital number, since it uses as much as digits as its factorization.

2221031023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2221031023 is about 47127.8158097742. The cubic root of 2221031023 is about 1304.7226693501.

Adding to 2221031023 its reverse (3201301222), we get a palindrome (5422332245).

The spelling of 2221031023 in words is "two billion, two hundred twenty-one million, thirty-one thousand, twenty-three".