242237207 has 2 divisors, whose sum is σ = 242237208. Its totient is φ = 242237206.

The previous prime is 242237183. The next prime is 242237221. The reversal of 242237207 is 702732242.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 242237207 - 2¹² = 242233111 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 242237207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242227207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121118603 + 121118604.

It is an arithmetic number, because the mean of its divisors is an integer number (121118604).

Almost surely, 2^242237207 is an apocalyptic number.

242237207 is a deficient number, since it is larger than the sum of its proper divisors (1).

242237207 is an equidigital number, since it uses as much as digits as its factorization.

242237207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9408, while the sum is 29.

The square root of 242237207 is about 15563.9714404775. The cubic root of 242237207 is about 623.3715104937.

Adding to 242237207 its reverse (702732242), we get a palindrome (944969449).

The spelling of 242237207 in words is "two hundred forty-two million, two hundred thirty-seven thousand, two hundred seven".