242420324 has 6 divisors (see below), whose sum is σ = 424235574. Its totient is φ = 121210160.

The previous prime is 242420317. The next prime is 242420333. The reversal of 242420324 is 423024242.

It can be written as a sum of positive squares in only one way, i.e., 172396900 + 70023424 = 13130^2 + 8368^2 .

It is a super-2 number, since 2×242420324² = 117535226976529952, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 242420324.

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 as a sum of consecutive naturals, namely, 30302537 + ... + 30302544.

It is an arithmetic number, because the mean of its divisors is an integer number (70705929).

Almost surely, 2^242420324 is an apocalyptic number.

It is an amenable number.

242420324 is a deficient number, since it is larger than the sum of its proper divisors (181815250).

242420324 is a wasteful number, since it uses less digits than its factorization.

242420324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60605085 (or 60605083 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 242420324 is about 15569.8530500451. The cubic root of 242420324 is about 623.5285482596.

Adding to 242420324 its reverse (423024242), we get a palindrome (665444566).

The spelling of 242420324 in words is "two hundred forty-two million, four hundred twenty thousand, three hundred twenty-four".