242426255 has 4 divisors (see below), whose sum is σ = 290911512. Its totient is φ = 193941000.

The previous prime is 242426251. The next prime is 242426267. The reversal of 242426255 is 552624242.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 552624242 = 2 ⋅276312121.

It is not a de Polignac number, because 242426255 - 2² = 242426251 is a prime.

It is a super-2 number, since 2×242426255² = 117540978226650050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242426251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24242621 + ... + 24242630.

It is an arithmetic number, because the mean of its divisors is an integer number (72727878).

Almost surely, 2^242426255 is an apocalyptic number.

242426255 is a deficient number, since it is larger than the sum of its proper divisors (48485257).

242426255 is an equidigital number, since it uses as much as digits as its factorization.

242426255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48485256.

The product of its digits is 38400, while the sum is 32.

The square root of 242426255 is about 15570.0435131055. The cubic root of 242426255 is about 623.5336332536.

The spelling of 242426255 in words is "two hundred forty-two million, four hundred twenty-six thousand, two hundred fifty-five".