242344819 has 4 divisors (see below), whose sum is σ = 242423280. Its totient is φ = 242266360.

The previous prime is 242344799. The next prime is 242344847. The reversal of 242344819 is 918443242.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 242344819 - 2⁷ = 242344691 is a prime.

It is a super-2 number, since 2×242344819² = 117462022592285522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242314819) 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 in 3 ways as a sum of consecutive naturals, for example, 34399 + ... + 40840.

It is an arithmetic number, because the mean of its divisors is an integer number (60605820).

Almost surely, 2^242344819 is an apocalyptic number.

242344819 is a deficient number, since it is larger than the sum of its proper divisors (78461).

242344819 is an equidigital number, since it uses as much as digits as its factorization.

242344819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78460.

The product of its digits is 55296, while the sum is 37.

The square root of 242344819 is about 15567.4281434025. The cubic root of 242344819 is about 623.4638061471.

The spelling of 242344819 in words is "two hundred forty-two million, three hundred forty-four thousand, eight hundred nineteen".