422311601 has 8 divisors (see below), whose sum is σ = 444037800. Its totient is φ = 401063040.

The previous prime is 422311597. The next prime is 422311609. The reversal of 422311601 is 106113224.

It can be written as a sum of positive squares in 4 ways, for example, as 3045025 + 419266576 = 1745^2 + 20476^2 .

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

It is not a de Polignac number, because 422311601 - 2² = 422311597 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (422311609) 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, 117596 + ... + 121133.

It is an arithmetic number, because the mean of its divisors is an integer number (55504725).

Almost surely, 2^422311601 is an apocalyptic number.

It is an amenable number.

422311601 is a deficient number, since it is larger than the sum of its proper divisors (21726199).

422311601 is a wasteful number, since it uses less digits than its factorization.

422311601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238819.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 422311601 is about 20550.2214343301. The cubic root of 422311601 is about 750.2586373173.

Adding to 422311601 its reverse (106113224), we get a palindrome (528424825).

The spelling of 422311601 in words is "four hundred twenty-two million, three hundred eleven thousand, six hundred one".