242421711 has 16 divisors (see below), whose sum is σ = 369631488. Its totient is φ = 138441600.

The previous prime is 242421677. The next prime is 242421719. The reversal of 242421711 is 117124242.

It is not a de Polignac number, because 242421711 - 2⁹ = 242421199 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242421719) 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, 50871 + ... + 55431.

It is an arithmetic number, because the mean of its divisors is an integer number (23101968).

Almost surely, 2^242421711 is an apocalyptic number.

242421711 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

242421711 is a deficient number, since it is larger than the sum of its proper divisors (127209777).

242421711 is a wasteful number, since it uses less digits than its factorization.

242421711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7102.

The product of its digits is 896, while the sum is 24.

The square root of 242421711 is about 15569.8975911854. The cubic root of 242421711 is about 623.5297374235.

Adding to 242421711 its reverse (117124242), we get a palindrome (359545953).

The spelling of 242421711 in words is "two hundred forty-two million, four hundred twenty-one thousand, seven hundred eleven".