2242217 has 2 divisors, whose sum is σ = 2242218. Its totient is φ = 2242216.

The previous prime is 2242213. The next prime is 2242231. The reversal of 2242217 is 7122422.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1430416 + 811801 = 1196^2 + 901^2 .

It is a cyclic number.

It is not a de Polignac number, because 2242217 - 2² = 2242213 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2242211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1121108 + 1121109.

It is an arithmetic number, because the mean of its divisors is an integer number (1121109).

2^2242217 is an apocalyptic number.

It is an amenable number.

2242217 is a deficient number, since it is larger than the sum of its proper divisors (1).

2242217 is an equidigital number, since it uses as much as digits as its factorization.

2242217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 448, while the sum is 20.

The square root of 2242217 is about 1497.4034192561. The cubic root of 2242217 is about 130.8858045672.

Adding to 2242217 its reverse (7122422), we get a palindrome (9364639).

The spelling of 2242217 in words is "two million, two hundred forty-two thousand, two hundred seventeen".