2011224547 has 2 divisors, whose sum is σ = 2011224548. Its totient is φ = 2011224546.

The previous prime is 2011224487. The next prime is 2011224571. The reversal of 2011224547 is 7454221102.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2011224547 is a prime.

It is not a weakly prime, because it can be changed into another prime (2011224647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005612273 + 1005612274.

It is an arithmetic number, because the mean of its divisors is an integer number (1005612274).

Almost surely, 2^2011224547 is an apocalyptic number.

2011224547 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011224547 is an equidigital number, since it uses as much as digits as its factorization.

2011224547 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 2011224547 is about 44846.6782158947. The cubic root of 2011224547 is about 1262.2736613757.

Adding to 2011224547 its reverse (7454221102), we get a palindrome (9465445649).

The spelling of 2011224547 in words is "two billion, eleven million, two hundred twenty-four thousand, five hundred forty-seven".