72211 has 2 divisors, whose sum is σ = 72212. Its totient is φ = 72210.

The previous prime is 72173. The next prime is 72221. The reversal of 72211 is 11227.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72211 - 2⁹ = 71699 is a prime.

It is a Chen prime.

72211 is a lucky number.

It is a nialpdrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 72191 and 72200.

It is not a weakly prime, because it can be changed into another prime (72221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36105 + 36106.

It is an arithmetic number, because the mean of its divisors is an integer number (36106).

2⁷²²¹¹ is an apocalyptic number.

72211 is a deficient number, since it is larger than the sum of its proper divisors (1).

72211 is an equidigital number, since it uses as much as digits as its factorization.

72211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28, while the sum is 13.

The square root of 72211 is about 268.7210449518. The cubic root of 72211 is about 41.6422755023.

Adding to 72211 its reverse (11227), we get a palindrome (83438).

The spelling of 72211 in words is "seventy-two thousand, two hundred eleven", and thus it is an iban number.