242426247 has 16 divisors (see below), whose sum is σ = 369802752. Its totient is φ = 138382560.

The previous prime is 242426237. The next prime is 242426251. The reversal of 242426247 is 742624242.

242426247 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 242426247 - 2¹² = 242422151 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242426227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16053 + ... + 27249.

It is an arithmetic number, because the mean of its divisors is an integer number (23112672).

Almost surely, 2^242426247 is an apocalyptic number.

242426247 is a deficient number, since it is larger than the sum of its proper divisors (127376505).

242426247 is a wasteful number, since it uses less digits than its factorization.

242426247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12238.

The product of its digits is 43008, while the sum is 33.

The square root of 242426247 is about 15570.0432562020. The cubic root of 242426247 is about 623.5336263948.

The spelling of 242426247 in words is "two hundred forty-two million, four hundred twenty-six thousand, two hundred forty-seven".