200143422 has 12 divisors (see below), whose sum is σ = 433644120. Its totient is φ = 66714468.

The previous prime is 200143421. The next prime is 200143441. The reversal of 200143422 is 224341002.

200143422 is a `hidden beast` number, since 200 + 1 + 43 + 422 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 11119079 = 200143422 / (2 + 0 + 0 + 1 + 4 + 3 + 4 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 200143395 and 200143404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200143421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5559522 + ... + 5559557.

It is an arithmetic number, because the mean of its divisors is an integer number (36137010).

Almost surely, 2^200143422 is an apocalyptic number.

200143422 is an abundant number, since it is smaller than the sum of its proper divisors (233500698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

200143422 is a wasteful number, since it uses less digits than its factorization.

200143422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11119087 (or 11119084 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 200143422 is about 14147.2054484269. The cubic root of 200143422 is about 584.9433037317.

Adding to 200143422 its reverse (224341002), we get a palindrome (424484424).

It can be divided in two parts, 20014 and 3422, that added together give a triangular number (23436 = T₂₁₆).

The spelling of 200143422 in words is "two hundred million, one hundred forty-three thousand, four hundred twenty-two".