242255331 has 6 divisors (see below), whose sum is σ = 349924380. Its totient is φ = 161503548.

The previous prime is 242255311. The next prime is 242255333. The reversal of 242255331 is 133552242.

It is a happy number.

242255331 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 242255331 - 2⁷ = 242255203 is a prime.

It is a super-2 number, since 2×242255331² = 117375290795839122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 242255295 and 242255304.

It is not an unprimeable number, because it can be changed into a prime (242255333) 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, 13458621 + ... + 13458638.

It is an arithmetic number, because the mean of its divisors is an integer number (58320730).

Almost surely, 2^242255331 is an apocalyptic number.

242255331 is a deficient number, since it is larger than the sum of its proper divisors (107669049).

242255331 is a wasteful number, since it uses less digits than its factorization.

242255331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26917265 (or 26917262 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 242255331 is about 15564.5536717247. The cubic root of 242255331 is about 623.3870568304.

The spelling of 242255331 in words is "two hundred forty-two million, two hundred fifty-five thousand, three hundred thirty-one".