72231413227 has 2 divisors, whose sum is σ = 72231413228. Its totient is φ = 72231413226.

The previous prime is 72231413179. The next prime is 72231413231.

72231413227 is nontrivially palindromic in base 10.

It is a strong prime.

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 72231413227 - 2¹¹ = 72231411179 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 72231413192 and 72231413201.

It is not a weakly prime, because it can be changed into another prime (72231416227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36115706613 + 36115706614.

It is an arithmetic number, because the mean of its divisors is an integer number (36115706614).

Almost surely, 2^72231413227 is an apocalyptic number.

72231413227 is a deficient number, since it is larger than the sum of its proper divisors (1).

72231413227 is an equidigital number, since it uses as much as digits as its factorization.

72231413227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28224, while the sum is 34.

The spelling of 72231413227 in words is "seventy-two billion, two hundred thirty-one million, four hundred thirteen thousand, two hundred twenty-seven".