242257748 has 12 divisors (see below), whose sum is σ = 424144980. Its totient is φ = 121073472.

The previous prime is 242257747. The next prime is 242257783. The reversal of 242257748 is 847752242.

242257748 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 59413264 + 182844484 = 7708^2 + 13522^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242257747) 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, 3083 + ... + 22226.

It is an arithmetic number, because the mean of its divisors is an integer number (35345415).

Almost surely, 2^242257748 is an apocalyptic number.

It is an amenable number.

242257748 is a deficient number, since it is larger than the sum of its proper divisors (181887232).

242257748 is a wasteful number, since it uses less digits than its factorization.

242257748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27706 (or 27704 counting only the distinct ones).

The product of its digits is 250880, while the sum is 41.

The square root of 242257748 is about 15564.6313159034. The cubic root of 242257748 is about 623.3891300169.

The spelling of 242257748 in words is "two hundred forty-two million, two hundred fifty-seven thousand, seven hundred forty-eight".