200122434 has 32 divisors (see below), whose sum is σ = 451362240. Its totient is φ = 65710656.

The previous prime is 200122427. The next prime is 200122451. The reversal of 200122434 is 434221002.

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

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 24039 + ... + 31274.

It is an arithmetic number, because the mean of its divisors is an integer number (14105070).

Almost surely, 2^200122434 is an apocalyptic number.

200122434 is an abundant number, since it is smaller than the sum of its proper divisors (251239806).

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

200122434 is a wasteful number, since it uses less digits than its factorization.

200122434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55391 (or 55385 counting only the distinct ones).

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

The square root of 200122434 is about 14146.4636570416. The cubic root of 200122434 is about 584.9228563627.

Adding to 200122434 its reverse (434221002), we get a palindrome (634343436).

The spelling of 200122434 in words is "two hundred million, one hundred twenty-two thousand, four hundred thirty-four".