72272055223 has 2 divisors, whose sum is σ = 72272055224. Its totient is φ = 72272055222.

The previous prime is 72272055211. The next prime is 72272055259. The reversal of 72272055223 is 32255027227.

It is a weak prime.

It is an emirp because it is prime and its reverse (32255027227) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72272055223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72272055293) 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 as a sum of consecutive naturals, namely, 36136027611 + 36136027612.

It is an arithmetic number, because the mean of its divisors is an integer number (36136027612).

Almost surely, 2^72272055223 is an apocalyptic number.

72272055223 is a deficient number, since it is larger than the sum of its proper divisors (1).

72272055223 is an equidigital number, since it uses as much as digits as its factorization.

72272055223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 117600, while the sum is 37.

The spelling of 72272055223 in words is "seventy-two billion, two hundred seventy-two million, fifty-five thousand, two hundred twenty-three".