200002122 has 24 divisors (see below), whose sum is σ = 449388576. Its totient is φ = 66667212.

The previous prime is 200002091. The next prime is 200002123. The reversal of 200002122 is 221200002.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (200002123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 205278 + ... + 206249.

It is an arithmetic number, because the mean of its divisors is an integer number (18724524).

Almost surely, 2^200002122 is an apocalyptic number.

200002122 is an abundant number, since it is smaller than the sum of its proper divisors (249386454).

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

200002122 is an equidigital number, since it uses as much as digits as its factorization.

200002122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411544 (or 411532 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 200002122 is about 14142.2106475614. The cubic root of 200002122 is about 584.8056158905.

Adding to 200002122 its reverse (221200002), we get a palindrome (421202124).

It can be divided in two parts, 20000 and 2122, that added together give a palindrome (22122).

The spelling of 200002122 in words is "two hundred million, two thousand, one hundred twenty-two".