242421770 has 32 divisors (see below), whose sum is σ = 451353600. Its totient is φ = 93689856.

The previous prime is 242421769. The next prime is 242421787. The reversal of 242421770 is 77124242.

242421770 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33866 + ... + 40394.

It is an arithmetic number, because the mean of its divisors is an integer number (14104800).

Almost surely, 2^242421770 is an apocalyptic number.

242421770 is a deficient number, since it is larger than the sum of its proper divisors (208931830).

242421770 is a wasteful number, since it uses less digits than its factorization.

242421770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6662.

The product of its (nonzero) digits is 6272, while the sum is 29.

The square root of 242421770 is about 15569.8994858670. The cubic root of 242421770 is about 623.5297880079.

The spelling of 242421770 in words is "two hundred forty-two million, four hundred twenty-one thousand, seven hundred seventy".