242443330 has 16 divisors (see below), whose sum is σ = 436682304. Its totient is φ = 96914160.

The previous prime is 242443321. The next prime is 242443379. The reversal of 242443330 is 33344242.

It is a super-2 number, since 2×242443330² = 117557536522977800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 242443295 and 242443304.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10195 + ... + 24265.

It is an arithmetic number, because the mean of its divisors is an integer number (27292644).

Almost surely, 2^242443330 is an apocalyptic number.

242443330 is a deficient number, since it is larger than the sum of its proper divisors (194238974).

242443330 is a wasteful number, since it uses less digits than its factorization.

242443330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15801.

The product of its (nonzero) digits is 6912, while the sum is 25.

The square root of 242443330 is about 15570.5918320403. The cubic root of 242443330 is about 623.5482721890.

Adding to 242443330 its reverse (33344242), we get a palindrome (275787572).

It can be divided in two parts, 2424 and 43330, that added together give a palindrome (45754).

The spelling of 242443330 in words is "two hundred forty-two million, four hundred forty-three thousand, three hundred thirty".