2231222443 has 16 divisors (see below), whose sum is σ = 2398463136. Its totient is φ = 2068070400.

The previous prime is 2231222431. The next prime is 2231222449. The reversal of 2231222443 is 3442221322.

2231222443 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 2231222443 - 2²¹ = 2229125291 is a prime.

It is a super-3 number, since 3×2231222443³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2231222449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1392843 + ... + 1394443.

It is an arithmetic number, because the mean of its divisors is an integer number (149903946).

Almost surely, 2^2231222443 is an apocalyptic number.

2231222443 is a deficient number, since it is larger than the sum of its proper divisors (167240693).

2231222443 is a wasteful number, since it uses less digits than its factorization.

2231222443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2814.

The product of its digits is 4608, while the sum is 25.

The square root of 2231222443 is about 47235.8173741071. The cubic root of 2231222443 is about 1306.7152409823.

Adding to 2231222443 its reverse (3442221322), we get a palindrome (5673443765).

The spelling of 2231222443 in words is "two billion, two hundred thirty-one million, two hundred twenty-two thousand, four hundred forty-three".