200122221 has 8 divisors (see below), whose sum is σ = 287355040. Its totient is φ = 123152112.

The previous prime is 200122211. The next prime is 200122259. The reversal of 200122221 is 122221002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 200122221 - 2⁶ = 200122157 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200122197 and 200122206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200122201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2565631 + ... + 2565708.

It is an arithmetic number, because the mean of its divisors is an integer number (35919380).

Almost surely, 2^200122221 is an apocalyptic number.

It is an amenable number.

200122221 is a deficient number, since it is larger than the sum of its proper divisors (87232819).

200122221 is a wasteful number, since it uses less digits than its factorization.

200122221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5131355.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 200122221 is about 14146.4561286564. The cubic root of 200122221 is about 584.9226488421.

Adding to 200122221 its reverse (122221002), we get a palindrome (322343223).

The spelling of 200122221 in words is "two hundred million, one hundred twenty-two thousand, two hundred twenty-one".