242402400422 has 16 divisors (see below), whose sum is σ = 447512124192. Its totient is φ = 95895455040.

The previous prime is 242402400421. The next prime is 242402400431. The reversal of 242402400422 is 224004204242.

It is a super-4 number, since 4×242402400422⁴ (a number of 47 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 242402400391 and 242402400400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242402400421) by changing a digit.

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, 665940479 + ... + 665940842.

It is an arithmetic number, because the mean of its divisors is an integer number (27969507762).

Almost surely, 2^242402400422 is an apocalyptic number.

242402400422 is a deficient number, since it is larger than the sum of its proper divisors (205109723770).

242402400422 is a wasteful number, since it uses less digits than its factorization.

242402400422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1331881343.

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 242402400422 its reverse (224004204242), we get a palindrome (466406604664).

The spelling of 242402400422 in words is "two hundred forty-two billion, four hundred two million, four hundred thousand, four hundred twenty-two".