402422204442 has 8 divisors (see below), whose sum is σ = 804844408896. Its totient is φ = 134140734812.

The previous prime is 402422204441. The next prime is 402422204497. The reversal of 402422204442 is 244402224204.

It is a happy number.

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

402422204442 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (402422204441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33535183698 + ... + 33535183709.

It is an arithmetic number, because the mean of its divisors is an integer number (100605551112).

Almost surely, 2^402422204442 is an apocalyptic number.

402422204442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

402422204442 is a wasteful number, since it uses less digits than its factorization.

402422204442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67070367412.

The product of its (nonzero) digits is 32768, while the sum is 30.

Adding to 402422204442 its reverse (244402224204), we get a palindrome (646824428646).

The spelling of 402422204442 in words is "four hundred two billion, four hundred twenty-two million, two hundred four thousand, four hundred forty-two".