Search a number
-
+
2217199 is a prime number
BaseRepresentation
bin1000011101010011101111
311011122102111
420131103233
51031422244
6115304451
724563065
oct10352357
94148374
102217199
1112848a6
128ab127
135c826a
1441a035
152dbe34
hex21d4ef

2217199 has 2 divisors, whose sum is σ = 2217200. Its totient is φ = 2217198.

The previous prime is 2217181. The next prime is 2217211. The reversal of 2217199 is 9917122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2217199 - 217 = 2086127 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2217199.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2217799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1108599 + 1108600.

It is an arithmetic number, because the mean of its divisors is an integer number (1108600).

22217199 is an apocalyptic number.

2217199 is a deficient number, since it is larger than the sum of its proper divisors (1).

2217199 is an equidigital number, since it uses as much as digits as its factorization.

2217199 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2268, while the sum is 31.

The square root of 2217199 is about 1489.0261918449. The cubic root of 2217199 is about 130.3971876079.

The spelling of 2217199 in words is "two million, two hundred seventeen thousand, one hundred ninety-nine".