2217247463 has 2 divisors, whose sum is σ = 2217247464. Its totient is φ = 2217247462.

The previous prime is 2217247451. The next prime is 2217247471. The reversal of 2217247463 is 3647427122.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2217247463 - 2¹⁸ = 2216985319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2217247663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1108623731 + 1108623732.

It is an arithmetic number, because the mean of its divisors is an integer number (1108623732).

Almost surely, 2^2217247463 is an apocalyptic number.

2217247463 is a deficient number, since it is larger than the sum of its proper divisors (1).

2217247463 is an equidigital number, since it uses as much as digits as its factorization.

2217247463 is an evil number, because the sum of its binary digits is even.

The product of its digits is 112896, while the sum is 38.

The square root of 2217247463 is about 47087.6572256467. The cubic root of 2217247463 is about 1303.9813766441.

The spelling of 2217247463 in words is "two billion, two hundred seventeen million, two hundred forty-seven thousand, four hundred sixty-three".