2212209547 has 2 divisors, whose sum is σ = 2212209548. Its totient is φ = 2212209546.

The previous prime is 2212209521. The next prime is 2212209553. The reversal of 2212209547 is 7459022122.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2212209547 is a prime.

It is not a weakly prime, because it can be changed into another prime (2212206547) 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, 1106104773 + 1106104774.

It is an arithmetic number, because the mean of its divisors is an integer number (1106104774).

Almost surely, 2^2212209547 is an apocalyptic number.

2212209547 is a deficient number, since it is larger than the sum of its proper divisors (1).

2212209547 is an equidigital number, since it uses as much as digits as its factorization.

2212209547 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 2212209547 is about 47034.1317236749. The cubic root of 2212209547 is about 1302.9930144889.

The spelling of 2212209547 in words is "two billion, two hundred twelve million, two hundred nine thousand, five hundred forty-seven".