242422642 has 16 divisors (see below), whose sum is σ = 453362112. Its totient is φ = 94450320.

The previous prime is 242422637. The next prime is 242422657. The reversal of 242422642 is 246224242.

It is a self number, because there is not a number n which added to its sum of digits gives 242422642.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 786933 + ... + 787240.

It is an arithmetic number, because the mean of its divisors is an integer number (28335132).

Almost surely, 2^242422642 is an apocalyptic number.

242422642 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

242422642 is a deficient number, since it is larger than the sum of its proper divisors (210939470).

242422642 is a wasteful number, since it uses less digits than its factorization.

242422642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1574193.

The product of its digits is 12288, while the sum is 28.

The square root of 242422642 is about 15569.9274885916. The cubic root of 242422642 is about 623.5305356268.

Adding to 242422642 its reverse (246224242), we get a palindrome (488646884).

The spelling of 242422642 in words is "two hundred forty-two million, four hundred twenty-two thousand, six hundred forty-two".