242290089 has 16 divisors (see below), whose sum is σ = 359558400. Its totient is φ = 161252208.

The previous prime is 242290067. The next prime is 242290121. The reversal of 242290089 is 980092242.

242290089 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 242290089 - 2¹⁶ = 242224553 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (242294089) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9232 + ... + 23870.

It is an arithmetic number, because the mean of its divisors is an integer number (22472400).

Almost surely, 2^242290089 is an apocalyptic number.

It is an amenable number.

242290089 is a deficient number, since it is larger than the sum of its proper divisors (117268311).

242290089 is a wasteful number, since it uses less digits than its factorization.

242290089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15261 (or 15255 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 242290089 is about 15565.6702072220. The cubic root of 242290089 is about 623.4168692478.

The spelling of 242290089 in words is "two hundred forty-two million, two hundred ninety thousand, eighty-nine".