200012422 has 4 divisors (see below), whose sum is σ = 300018636. Its totient is φ = 100006210.

The previous prime is 200012399. The next prime is 200012441. The reversal of 200012422 is 224210002.

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

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 50003104 + ... + 50003107.

It is an arithmetic number, because the mean of its divisors is an integer number (75004659).

Almost surely, 2^200012422 is an apocalyptic number.

200012422 is a deficient number, since it is larger than the sum of its proper divisors (100006214).

200012422 is a wasteful number, since it uses less digits than its factorization.

200012422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100006213.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 200012422 is about 14142.5748009335. The cubic root of 200012422 is about 584.8156547747.

Adding to 200012422 its reverse (224210002), we get a palindrome (424222424).

The spelling of 200012422 in words is "two hundred million, twelve thousand, four hundred twenty-two".