47222911 has 2 divisors, whose sum is σ = 47222912. Its totient is φ = 47222910.

The previous prime is 47222869. The next prime is 47222927. The reversal of 47222911 is 11922274.

47222911 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47222911 - 2⁷ = 47222783 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47222911.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47222971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23611455 + 23611456.

It is an arithmetic number, because the mean of its divisors is an integer number (23611456).

Almost surely, 2^47222911 is an apocalyptic number.

47222911 is a deficient number, since it is larger than the sum of its proper divisors (1).

47222911 is an equidigital number, since it uses as much as digits as its factorization.

47222911 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2016, while the sum is 28.

The square root of 47222911 is about 6871.8928251247. The cubic root of 47222911 is about 361.4522382246.

The spelling of 47222911 in words is "forty-seven million, two hundred twenty-two thousand, nine hundred eleven".