200242247 has 2 divisors, whose sum is σ = 200242248. Its totient is φ = 200242246.

The previous prime is 200242193. The next prime is 200242313. The reversal of 200242247 is 742242002.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 200242247 - 2⁶ = 200242183 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200242747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100121123 + 100121124.

It is an arithmetic number, because the mean of its divisors is an integer number (100121124).

Almost surely, 2^200242247 is an apocalyptic number.

200242247 is a deficient number, since it is larger than the sum of its proper divisors (1).

200242247 is an equidigital number, since it uses as much as digits as its factorization.

200242247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1792, while the sum is 23.

The square root of 200242247 is about 14150.6977566479. The cubic root of 200242247 is about 585.0395638862.

Adding to 200242247 its reverse (742242002), we get a palindrome (942484249).

The spelling of 200242247 in words is "two hundred million, two hundred forty-two thousand, two hundred forty-seven".