2211490847 has 2 divisors, whose sum is σ = 2211490848.
Its totient is φ = 2211490846.
The previous prime is 2211490823. The next prime is 2211490861. The reversal of 2211490847 is 7480941122.
It is a happy number.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 2211490847 - 26 = 2211490783 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 2211490847.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2211490877) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105745423 + 1105745424.
It is an arithmetic number, because the mean of its divisors is an integer number (1105745424).
Almost surely, 22211490847 is an apocalyptic number.
2211490847 is a deficient number, since it is larger than the sum of its proper divisors (1).
2211490847 is an equidigital number, since it uses as much as digits as its factorization.
2211490847 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 32256, while the sum is 38.
The square root of 2211490847 is about 47026.4909067219.
The cubic root of 2211490847 is about 1302.8518942665.
The spelling of 2211490847 in words is "two billion, two hundred eleven million, four hundred ninety thousand, eight hundred forty-seven".