242021892 has 96 divisors (see below), whose sum is σ = 662457600. Its totient is φ = 67345920.

The previous prime is 242021891. The next prime is 242021933. The reversal of 242021892 is 298120242.

242021892 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (242021891) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 763318 + ... + 763634.

It is an arithmetic number, because the mean of its divisors is an integer number (6900600).

Almost surely, 2^242021892 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 242021892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (331228800).

242021892 is an abundant number, since it is smaller than the sum of its proper divisors (420435708).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

242021892 is a wasteful number, since it uses less digits than its factorization.

242021892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541 (or 539 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 242021892 is about 15557.0528057213. The cubic root of 242021892 is about 623.1867590455.

The spelling of 242021892 in words is "two hundred forty-two million, twenty-one thousand, eight hundred ninety-two".