242242646 has 8 divisors (see below), whose sum is σ = 364004280. Its totient is φ = 120907888.

The previous prime is 242242631. The next prime is 242242661. The reversal of 242242646 is 646242242.

It is an interprime number because it is at equal distance from previous prime (242242631) and next prime (242242661).

It is a sphenic number, since it is the product of 3 distinct primes.

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, 105296 + ... + 107571.

It is an arithmetic number, because the mean of its divisors is an integer number (45500535).

Almost surely, 2^242242646 is an apocalyptic number.

242242646 is a deficient number, since it is larger than the sum of its proper divisors (121761634).

242242646 is a wasteful number, since it uses less digits than its factorization.

242242646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213438.

The product of its digits is 36864, while the sum is 32.

The square root of 242242646 is about 15564.1461699638. The cubic root of 242242646 is about 623.3761760201.

Adding to 242242646 its reverse (646242242), we get a palindrome (888484888).

The spelling of 242242646 in words is "two hundred forty-two million, two hundred forty-two thousand, six hundred forty-six".