242646242 has 16 divisors (see below), whose sum is σ = 372408192.
Its totient is φ = 118519920.
The previous prime is 242646223. The next prime is 242646281.
242646242 is nontrivially palindromic in base 10.
It is a junction number, because it is equal to n+sod(n) for n = 242646199 and 242646208.
It is an unprimeable number.
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, 55517 + ... + 59727.
It is an arithmetic number, because the mean of its divisors is an integer number (23275512).
Almost surely, 2242646242 is an apocalyptic number.
242646242 is a deficient number, since it is larger than the sum of its proper divisors (129761950).
242646242 is a wasteful number, since it uses less digits than its factorization.
242646242 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4873.
The product of its digits is 36864, while the sum is 32.
The square root of 242646242 is about 15577.1063423217.
The cubic root of 242646242 is about 623.7221824454.
The spelling of 242646242 in words is "two hundred forty-two million, six hundred forty-six thousand, two hundred forty-two".