242289724 has 12 divisors (see below), whose sum is σ = 424116000. Its totient is φ = 121113728.

The previous prime is 242289713. The next prime is 242289737. The reversal of 242289724 is 427982242.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26637 + ... + 34555.

It is an arithmetic number, because the mean of its divisors is an integer number (35343000).

Almost surely, 2^242289724 is an apocalyptic number.

It is an amenable number.

242289724 is a deficient number, since it is larger than the sum of its proper divisors (181826276).

242289724 is a wasteful number, since it uses less digits than its factorization.

242289724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15572 (or 15570 counting only the distinct ones).

The product of its digits is 129024, while the sum is 40.

The square root of 242289724 is about 15565.6584826984. The cubic root of 242289724 is about 623.4165561970.

The spelling of 242289724 in words is "two hundred forty-two million, two hundred eighty-nine thousand, seven hundred twenty-four".