242231742 has 32 divisors (see below), whose sum is σ = 569959200. Its totient is φ = 75993984.

The previous prime is 242231729. The next prime is 242231761. The reversal of 242231742 is 247132242.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131017 + ... + 132852.

It is an arithmetic number, because the mean of its divisors is an integer number (17811225).

Almost surely, 2^242231742 is an apocalyptic number.

242231742 is an abundant number, since it is smaller than the sum of its proper divisors (327727458).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

242231742 is a wasteful number, since it uses less digits than its factorization.

242231742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263897 (or 263891 counting only the distinct ones).

The product of its digits is 5376, while the sum is 27.

The square root of 242231742 is about 15563.7958737578. The cubic root of 242231742 is about 623.3668225944.

Adding to 242231742 its reverse (247132242), we get a palindrome (489363984).

The spelling of 242231742 in words is "two hundred forty-two million, two hundred thirty-one thousand, seven hundred forty-two".