72223001443 has 4 divisors (see below), whose sum is σ = 72424180080. Its totient is φ = 72021822808.

The previous prime is 72223001423. The next prime is 72223001479. The reversal of 72223001443 is 34410032227.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34410032227 = 37 ⋅930000871.

It is a cyclic number.

It is not a de Polignac number, because 72223001443 - 2¹³ = 72222993251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72223001423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100588780 + ... + 100589497.

It is an arithmetic number, because the mean of its divisors is an integer number (18106045020).

Almost surely, 2^72223001443 is an apocalyptic number.

72223001443 is a deficient number, since it is larger than the sum of its proper divisors (201178637).

72223001443 is a wasteful number, since it uses less digits than its factorization.

72223001443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201178636.

The product of its (nonzero) digits is 8064, while the sum is 28.

The spelling of 72223001443 in words is "seventy-two billion, two hundred twenty-three million, one thousand, four hundred forty-three".