242306881 has 8 divisors (see below), whose sum is σ = 250560000. Its totient is φ = 234081120.

The previous prime is 242306879. The next prime is 242306893. The reversal of 242306881 is 188603242.

242306881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 242306881 - 2¹ = 242306879 is a prime.

It is a super-2 number, since 2×242306881² = 117425249159896322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242306851) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12045 + ... + 25093.

It is an arithmetic number, because the mean of its divisors is an integer number (31320000).

Almost surely, 2^242306881 is an apocalyptic number.

It is an amenable number.

242306881 is a deficient number, since it is larger than the sum of its proper divisors (8253119).

242306881 is a wasteful number, since it uses less digits than its factorization.

242306881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13679.

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 242306881 is about 15566.2095900062. The cubic root of 242306881 is about 623.4312709570.

The spelling of 242306881 in words is "two hundred forty-two million, three hundred six thousand, eight hundred eighty-one".