422440204442 has 8 divisors (see below), whose sum is σ = 633902077332. Its totient is φ = 211139512000.

The previous prime is 422440204427. The next prime is 422440204507. The reversal of 422440204442 is 244402044224.

It can be written as a sum of positive squares in 2 ways, for example, as 391902292441 + 30537912001 = 626021^2 + 174751^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 422440204399 and 422440204408.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40288559 + ... + 40299042.

Almost surely, 2^422440204442 is an apocalyptic number.

422440204442 is a deficient number, since it is larger than the sum of its proper divisors (211461872890).

422440204442 is a wasteful number, since it uses less digits than its factorization.

422440204442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80590224.

The product of its (nonzero) digits is 65536, while the sum is 32.

Adding to 422440204442 its reverse (244402044224), we get a palindrome (666842248666).

The spelling of 422440204442 in words is "four hundred twenty-two billion, four hundred forty million, two hundred four thousand, four hundred forty-two".