43223140442221 has 8 divisors (see below), whose sum is σ = 43832227682880. Its totient is φ = 42614512375392.

The previous prime is 43223140442219. The next prime is 43223140442263. The reversal of 43223140442221 is 12224404132234.

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

It is a cyclic number.

It is not a de Polignac number, because 43223140442221 - 2¹ = 43223140442219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43223140442821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114603865 + ... + 114980398.

It is an arithmetic number, because the mean of its divisors is an integer number (5479028460360).

Almost surely, 2^{43223140442221} is an apocalyptic number.

It is an amenable number.

43223140442221 is a deficient number, since it is larger than the sum of its proper divisors (609087240659).

43223140442221 is a wasteful number, since it uses less digits than its factorization.

43223140442221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229586915.

The product of its (nonzero) digits is 73728, while the sum is 34.

Adding to 43223140442221 its reverse (12224404132234), we get a palindrome (55447544574455).

The spelling of 43223140442221 in words is "forty-three trillion, two hundred twenty-three billion, one hundred forty million, four hundred forty-two thousand, two hundred twenty-one".