208200122 has 16 divisors (see below), whose sum is σ = 356107752. Its totient is φ = 90439680.

The previous prime is 208200107. The next prime is 208200143. The reversal of 208200122 is 221002802.

208200122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 200477281 + 7722841 = 14159^2 + 2779^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 208200122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 235079 + ... + 235962.

Almost surely, 2^208200122 is an apocalyptic number.

208200122 is a deficient number, since it is larger than the sum of its proper divisors (147907630).

208200122 is a wasteful number, since it uses less digits than its factorization.

208200122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471073.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 208200122 is about 14429.1414158986. The cubic root of 208200122 is about 592.6891722085.

Adding to 208200122 its reverse (221002802), we get a palindrome (429202924).

The spelling of 208200122 in words is "two hundred eight million, two hundred thousand, one hundred twenty-two".