242543822 has 16 divisors (see below), whose sum is σ = 372723120. Its totient is φ = 118309632.

The previous prime is 242543813. The next prime is 242543831. The reversal of 242543822 is 228345242.

It is an interprime number because it is at equal distance from previous prime (242543813) and next prime (242543831).

It is a super-3 number, since 3×242543822³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 127454 + ... + 129342.

It is an arithmetic number, because the mean of its divisors is an integer number (23295195).

Almost surely, 2^242543822 is an apocalyptic number.

242543822 is a deficient number, since it is larger than the sum of its proper divisors (130179298).

242543822 is a wasteful number, since it uses less digits than its factorization.

242543822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3427.

The product of its digits is 30720, while the sum is 32.

The square root of 242543822 is about 15573.8184784593. The cubic root of 242543822 is about 623.6344132228.

The spelling of 242543822 in words is "two hundred forty-two million, five hundred forty-three thousand, eight hundred twenty-two".