242326881 has 12 divisors (see below), whose sum is σ = 350166180. Its totient is φ = 161487360.

The previous prime is 242326879. The next prime is 242326897. The reversal of 242326881 is 188623242.

It can be written as a sum of positive squares in 2 ways, for example, as 186076881 + 56250000 = 13641^2 + 7500^2 .

It is not a de Polignac number, because 242326881 - 2¹ = 242326879 is a prime.

It is a super-2 number, since 2×242326881² = 117444634510376322, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (242326681) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33901 + ... + 40421.

It is an arithmetic number, because the mean of its divisors is an integer number (29180515).

Almost surely, 2^242326881 is an apocalyptic number.

It is an amenable number.

242326881 is a deficient number, since it is larger than the sum of its proper divisors (107839299).

242326881 is a wasteful number, since it uses less digits than its factorization.

242326881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10656 (or 10653 counting only the distinct ones).

The product of its digits is 36864, while the sum is 36.

The square root of 242326881 is about 15566.8519939004. The cubic root of 242326881 is about 623.4484231489.

It can be divided in two parts, 24232 and 6881, that added together give a palindrome (31113).

The spelling of 242326881 in words is "two hundred forty-two million, three hundred twenty-six thousand, eight hundred eighty-one".