72224171899 has 8 divisors (see below), whose sum is σ = 78793090992. Its totient is φ = 65655767040.

The previous prime is 72224171897. The next prime is 72224171941. The reversal of 72224171899 is 99817142227.

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 72224171899 - 2¹ = 72224171897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72224171897) 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, 202107 + ... + 430459.

It is an arithmetic number, because the mean of its divisors is an integer number (9849136374).

Almost surely, 2^72224171899 is an apocalyptic number.

72224171899 is a deficient number, since it is larger than the sum of its proper divisors (6568919093).

72224171899 is a wasteful number, since it uses less digits than its factorization.

72224171899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257117.

The product of its digits is 1016064, while the sum is 52.

The spelling of 72224171899 in words is "seventy-two billion, two hundred twenty-four million, one hundred seventy-one thousand, eight hundred ninety-nine".