242344881 has 6 divisors (see below), whose sum is σ = 350053730. Its totient is φ = 161563248.

The previous prime is 242344873. The next prime is 242344933. The reversal of 242344881 is 188443242.

It can be written as a sum of positive squares in only one way, i.e., 238424481 + 3920400 = 15441^2 + 1980^2 .

It is not a de Polignac number, because 242344881 - 2³ = 242344873 is a prime.

It is a super-2 number, since 2×242344881² = 117462082693808322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (242344871) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13463596 + ... + 13463613.

Almost surely, 2^242344881 is an apocalyptic number.

It is an amenable number.

242344881 is a deficient number, since it is larger than the sum of its proper divisors (107708849).

242344881 is a wasteful number, since it uses less digits than its factorization.

242344881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26927215 (or 26927212 counting only the distinct ones).

The product of its digits is 49152, while the sum is 36.

The square root of 242344881 is about 15567.4301347396. The cubic root of 242344881 is about 623.4638593148.

The spelling of 242344881 in words is "two hundred forty-two million, three hundred forty-four thousand, eight hundred eighty-one".