247222221944443 has 4 divisors (see below), whose sum is σ = 247225817083840. Its totient is φ = 247218626805048.

The previous prime is 247222221944417. The next prime is 247222221944471. The reversal of 247222221944443 is 344449122222742.

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

It is a cyclic number.

It is not a de Polignac number, because 247222221944443 - 2²⁵ = 247222188390011 is a prime.

It is a super-2 number, since 2×247222221944443² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (247222221945443) 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, 1797466548 + ... + 1797604081.

It is an arithmetic number, because the mean of its divisors is an integer number (61806454270960).

Almost surely, 2^{247222221944443} is an apocalyptic number.

247222221944443 is a deficient number, since it is larger than the sum of its proper divisors (3595139397).

247222221944443 is an equidigital number, since it uses as much as digits as its factorization.

247222221944443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3595139396.

The product of its digits is 12386304, while the sum is 52.

The spelling of 247222221944443 in words is "two hundred forty-seven trillion, two hundred twenty-two billion, two hundred twenty-one million, nine hundred forty-four thousand, four hundred forty-three".