242042422 has 4 divisors (see below), whose sum is σ = 363063636. Its totient is φ = 121021210.

The previous prime is 242042417. The next prime is 242042429. The reversal of 242042422 is 224240242.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 242042393 and 242042402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242042429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60510604 + ... + 60510607.

It is an arithmetic number, because the mean of its divisors is an integer number (90765909).

Almost surely, 2^242042422 is an apocalyptic number.

242042422 is a deficient number, since it is larger than the sum of its proper divisors (121021214).

242042422 is a wasteful number, since it uses less digits than its factorization.

242042422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121021213.

The product of its (nonzero) digits is 2048, while the sum is 22.

The square root of 242042422 is about 15557.7126210764. The cubic root of 242042422 is about 623.2043795761.

Adding to 242042422 its reverse (224240242), we get a palindrome (466282664).

The spelling of 242042422 in words is "two hundred forty-two million, forty-two thousand, four hundred twenty-two".