242215534 has 32 divisors (see below), whose sum is σ = 426124800. Its totient is φ = 102075840.

The previous prime is 242215531. The next prime is 242215559. The reversal of 242215534 is 435512242.

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 (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13482 + ... + 25810.

It is an arithmetic number, because the mean of its divisors is an integer number (13316400).

Almost surely, 2^242215534 is an apocalyptic number.

242215534 is a deficient number, since it is larger than the sum of its proper divisors (183909266).

242215534 is a wasteful number, since it uses less digits than its factorization.

242215534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12408.

The product of its digits is 9600, while the sum is 28.

The square root of 242215534 is about 15563.2751694494. The cubic root of 242215534 is about 623.3529188911.

Adding to 242215534 its reverse (435512242), we get a palindrome (677727776).

It can be divided in two parts, 2422 and 15534, that added together give a square (17956 = 134²).

The spelling of 242215534 in words is "two hundred forty-two million, two hundred fifteen thousand, five hundred thirty-four".