942217 has 2 divisors, whose sum is σ = 942218. Its totient is φ = 942216.

The previous prime is 942199. The next prime is 942223. The reversal of 942217 is 712249.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 900601 + 41616 = 949^2 + 204^2 .

It is a cyclic number.

It is not a de Polignac number, because 942217 - 2¹¹ = 940169 is a prime.

942217 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 942191 and 942200.

It is not a weakly prime, because it can be changed into another prime (942247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 471108 + 471109.

It is an arithmetic number, because the mean of its divisors is an integer number (471109).

2⁹⁴²²¹⁷ is an apocalyptic number.

It is an amenable number.

942217 is a deficient number, since it is larger than the sum of its proper divisors (1).

942217 is an equidigital number, since it uses as much as digits as its factorization.

942217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1008, while the sum is 25.

The square root of 942217 is about 970.6786285893. The cubic root of 942217 is about 98.0355625481.

The spelling of 942217 in words is "nine hundred forty-two thousand, two hundred seventeen".