2247450817 has 2 divisors, whose sum is σ = 2247450818. Its totient is φ = 2247450816.

The previous prime is 2247450797. The next prime is 2247450859. The reversal of 2247450817 is 7180547422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2164203441 + 83247376 = 46521^2 + 9124^2 .

It is a cyclic number.

It is not a de Polignac number, because 2247450817 - 2²³ = 2239062209 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2247450817.

It is not a weakly prime, because it can be changed into another prime (2247459817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1123725408 + 1123725409.

It is an arithmetic number, because the mean of its divisors is an integer number (1123725409).

Almost surely, 2^2247450817 is an apocalyptic number.

It is an amenable number.

2247450817 is a deficient number, since it is larger than the sum of its proper divisors (1).

2247450817 is an equidigital number, since it uses as much as digits as its factorization.

2247450817 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 125440, while the sum is 40.

The square root of 2247450817 is about 47407.2865390965. The cubic root of 2247450817 is about 1309.8756397690.

The spelling of 2247450817 in words is "two billion, two hundred forty-seven million, four hundred fifty thousand, eight hundred seventeen".