200344122 has 192 divisors, whose sum is σ = 537788160. Its totient is φ = 53222400.

The previous prime is 200344097. The next prime is 200344129. The reversal of 200344122 is 221443002.

200344122 is a `hidden beast` number, since 200 + 3 + 441 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 200344095 and 200344104.

It is not an unprimeable number, because it can be changed into a prime (200344129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4886422 + ... + 4886462.

It is an arithmetic number, because the mean of its divisors is an integer number (2800980).

Almost surely, 2^200344122 is an apocalyptic number.

200344122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 200344122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (268894080).

200344122 is an abundant number, since it is smaller than the sum of its proper divisors (337444038).

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

200344122 is a wasteful number, since it uses less digits than its factorization.

200344122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149 (or 146 counting only the distinct ones).

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

The square root of 200344122 is about 14154.2969447444. The cubic root of 200344122 is about 585.1387617358.

Adding to 200344122 its reverse (221443002), we get a palindrome (421787124).

The spelling of 200344122 in words is "two hundred million, three hundred forty-four thousand, one hundred twenty-two".