422320001 has 4 divisors (see below), whose sum is σ = 447162372. Its totient is φ = 397477632.

The previous prime is 422319983. The next prime is 422320009. The reversal of 422320001 is 100023224.

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

It can be written as a sum of positive squares in 2 ways, for example, as 385729600 + 36590401 = 19640^2 + 6049^2 .

It is a cyclic number.

It is not a de Polignac number, because 422320001 - 2¹⁰ = 422318977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422320009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12421160 + ... + 12421193.

It is an arithmetic number, because the mean of its divisors is an integer number (111790593).

Almost surely, 2^422320001 is an apocalyptic number.

It is an amenable number.

422320001 is a deficient number, since it is larger than the sum of its proper divisors (24842371).

422320001 is a wasteful number, since it uses less digits than its factorization.

422320001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24842370.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 422320001 is about 20550.4258106736. The cubic root of 422320001 is about 750.2636116307.

Adding to 422320001 its reverse (100023224), we get a palindrome (522343225).

The spelling of 422320001 in words is "four hundred twenty-two million, three hundred twenty thousand, one".