221003222043 has 24 divisors (see below), whose sum is σ = 308233396240. Its totient is φ = 140841011520.

The previous prime is 221003222021. The next prime is 221003222053. The reversal of 221003222043 is 340222300122.

221003222043 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 221003222043 - 2¹⁸ = 221002959899 is a prime.

It is a super-2 number, since 2×221003222043² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221003222003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2529573 + ... + 2615481.

Almost surely, 2^221003222043 is an apocalyptic number.

221003222043 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

221003222043 is a deficient number, since it is larger than the sum of its proper divisors (87230174197).

221003222043 is a wasteful number, since it uses less digits than its factorization.

221003222043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87579 (or 87556 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 221003222043 its reverse (340222300122), we get a palindrome (561225522165).

The spelling of 221003222043 in words is "two hundred twenty-one billion, three million, two hundred twenty-two thousand, forty-three".