200422604665 has 8 divisors (see below), whose sum is σ = 241505081928. Its totient is φ = 159672779520.

The previous prime is 200422604621. The next prime is 200422604689. The reversal of 200422604665 is 566406224002.

It can be written as a sum of positive squares in 4 ways, for example, as 50616450361 + 149806154304 = 224981^2 + 387048^2 .

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

It is not a de Polignac number, because 200422604665 - 2⁷ = 200422604537 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83161702 + ... + 83164111.

It is an arithmetic number, because the mean of its divisors is an integer number (30188135241).

Almost surely, 2^200422604665 is an apocalyptic number.

It is an amenable number.

200422604665 is a deficient number, since it is larger than the sum of its proper divisors (41082477263).

200422604665 is a wasteful number, since it uses less digits than its factorization.

200422604665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166326059.

The product of its (nonzero) digits is 138240, while the sum is 37.

Adding to 200422604665 its reverse (566406224002), we get a palindrome (766828828667).

The spelling of 200422604665 in words is "two hundred billion, four hundred twenty-two million, six hundred four thousand, six hundred sixty-five".