2221124043 has 4 divisors (see below), whose sum is σ = 2961498728. Its totient is φ = 1480749360.

The previous prime is 2221124041. The next prime is 2221124047. The reversal of 2221124043 is 3404211222.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2221124043 - 2¹ = 2221124041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2221124041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 370187338 + ... + 370187343.

It is an arithmetic number, because the mean of its divisors is an integer number (740374682).

Almost surely, 2^2221124043 is an apocalyptic number.

2221124043 is a deficient number, since it is larger than the sum of its proper divisors (740374685).

2221124043 is an equidigital number, since it uses as much as digits as its factorization.

2221124043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740374684.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 2221124043 is about 47128.8026900748. The cubic root of 2221124043 is about 1304.7408836549.

Adding to 2221124043 its reverse (3404211222), we get a palindrome (5625335265).

The spelling of 2221124043 in words is "two billion, two hundred twenty-one million, one hundred twenty-four thousand, forty-three".