242241019 has 2 divisors, whose sum is σ = 242241020. Its totient is φ = 242241018.

The previous prime is 242240993. The next prime is 242241023. The reversal of 242241019 is 910142242.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 242241019 - 2⁷ = 242240891 is a prime.

It is a super-2 number, since 2×242241019² = 117361422572316722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 242240984 and 242241002.

It is not a weakly prime, because it can be changed into another prime (242241119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121120509 + 121120510.

It is an arithmetic number, because the mean of its divisors is an integer number (121120510).

Almost surely, 2^242241019 is an apocalyptic number.

242241019 is a deficient number, since it is larger than the sum of its proper divisors (1).

242241019 is an equidigital number, since it uses as much as digits as its factorization.

242241019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 242241019 is about 15564.0939023125. The cubic root of 242241019 is about 623.3747804012.

The spelling of 242241019 in words is "two hundred forty-two million, two hundred forty-one thousand, nineteen".