242303777 has 2 divisors, whose sum is σ = 242303778. Its totient is φ = 242303776.

The previous prime is 242303701. The next prime is 242303779. The reversal of 242303777 is 777303242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 228584161 + 13719616 = 15119^2 + 3704^2 .

It is a cyclic number.

It is not a de Polignac number, because 242303777 - 2¹⁴ = 242287393 is a prime.

It is a super-2 number, since 2×242303777² = 117422240696931458, which contains 22 as substring.

Together with 242303779, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (242303779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121151888 + 121151889.

It is an arithmetic number, because the mean of its divisors is an integer number (121151889).

Almost surely, 2^242303777 is an apocalyptic number.

It is an amenable number.

242303777 is a deficient number, since it is larger than the sum of its proper divisors (1).

242303777 is an equidigital number, since it uses as much as digits as its factorization.

242303777 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 49392, while the sum is 35.

The square root of 242303777 is about 15566.1098865452. The cubic root of 242303777 is about 623.4286088522.

The spelling of 242303777 in words is "two hundred forty-two million, three hundred three thousand, seven hundred seventy-seven".