72228587223 has 32 divisors (see below), whose sum is σ = 106744974336. Its totient is φ = 43154045568.

The previous prime is 72228587209. The next prime is 72228587251. The reversal of 72228587223 is 32278582227.

It is a happy number.

It is not a de Polignac number, because 72228587223 - 2⁶ = 72228587159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72228587203) 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 31 ways as a sum of consecutive naturals, for example, 620290 + ... + 727472.

It is an arithmetic number, because the mean of its divisors is an integer number (3335780448).

Almost surely, 2^72228587223 is an apocalyptic number.

72228587223 is a deficient number, since it is larger than the sum of its proper divisors (34516387113).

72228587223 is a wasteful number, since it uses less digits than its factorization.

72228587223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107703.

The product of its digits is 1505280, while the sum is 48.

The spelling of 72228587223 in words is "seventy-two billion, two hundred twenty-eight million, five hundred eighty-seven thousand, two hundred twenty-three".