2221442223 has 64 divisors (see below), whose sum is σ = 4084534272. Its totient is φ = 1036385280.

The previous prime is 2221442147. The next prime is 2221442231. The reversal of 2221442223 is 3222441222.

It is not a de Polignac number, because 2221442223 - 2⁸ = 2221441967 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2221442193 and 2221442202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221442243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 101115 + ... + 121107.

It is an arithmetic number, because the mean of its divisors is an integer number (63820848).

Almost surely, 2^2221442223 is an apocalyptic number.

2221442223 is a deficient number, since it is larger than the sum of its proper divisors (1863092049).

2221442223 is a wasteful number, since it uses less digits than its factorization.

2221442223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20064.

The product of its digits is 3072, while the sum is 24.

The square root of 2221442223 is about 47132.1782119180. The cubic root of 2221442223 is about 1304.8031828369.

Adding to 2221442223 its reverse (3222441222), we get a palindrome (5443883445).

It can be divided in two parts, 22214422 and 23, that added together give a triangular number (22214445 = T₆₆₆₅).

The spelling of 2221442223 in words is "two billion, two hundred twenty-one million, four hundred forty-two thousand, two hundred twenty-three".