242215536 has 40 divisors (see below), whose sum is σ = 640990224. Its totient is φ = 78768640.

The previous prime is 242215531. The next prime is 242215559. The reversal of 242215536 is 635512242.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242215531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59571 + ... + 63506.

Almost surely, 2^242215536 is an apocalyptic number.

It is an amenable number.

242215536 is an abundant number, since it is smaller than the sum of its proper divisors (398774688).

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

242215536 is a wasteful number, since it uses less digits than its factorization.

242215536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123129 (or 123123 counting only the distinct ones).

The product of its digits is 14400, while the sum is 30.

The square root of 242215536 is about 15563.2752337032. The cubic root of 242215536 is about 623.3529206068.

Adding to 242215536 its reverse (635512242), we get a palindrome (877727778).

The spelling of 242215536 in words is "two hundred forty-two million, two hundred fifteen thousand, five hundred thirty-six".