221344423043 has 8 divisors (see below), whose sum is σ = 236640070368. Its totient is φ = 206301596544.

The previous prime is 221344423037. The next prime is 221344423103. The reversal of 221344423043 is 340324443122.

221344423043 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 221344423043 - 2²⁰ = 221343374467 is a prime.

It is a super-2 number, since 2×221344423043² (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 (221344423033) 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 7 ways as a sum of consecutive naturals, for example, 63203396 + ... + 63206897.

It is an arithmetic number, because the mean of its divisors is an integer number (29580008796).

Almost surely, 2^221344423043 is an apocalyptic number.

221344423043 is a deficient number, since it is larger than the sum of its proper divisors (15295647325).

221344423043 is a wasteful number, since it uses less digits than its factorization.

221344423043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126410413.

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 221344423043 its reverse (340324443122), we get a palindrome (561668866165).

The spelling of 221344423043 in words is "two hundred twenty-one billion, three hundred forty-four million, four hundred twenty-three thousand, forty-three".