2221031223 has 24 divisors (see below), whose sum is σ = 3299259600. Its totient is φ = 1439205504.

The previous prime is 2221031203. The next prime is 2221031231. The reversal of 2221031223 is 3221301222.

2221031223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2221031223 - 2⁵ = 2221031191 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2221031196 and 2221031205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221031203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23761 + ... + 70757.

It is an arithmetic number, because the mean of its divisors is an integer number (137469150).

Almost surely, 2^2221031223 is an apocalyptic number.

2221031223 is a deficient number, since it is larger than the sum of its proper divisors (1078228377).

2221031223 is a wasteful number, since it uses less digits than its factorization.

2221031223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47151 (or 47148 counting only the distinct ones).

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

The square root of 2221031223 is about 47127.8179316632. The cubic root of 2221031223 is about 1304.7227085127.

Adding to 2221031223 its reverse (3221301222), we get a palindrome (5442332445).

The spelling of 2221031223 in words is "two billion, two hundred twenty-one million, thirty-one thousand, two hundred twenty-three".