200022222221 has 4 divisors (see below), whose sum is σ = 200035373472. Its totient is φ = 200009070972.

The previous prime is 200022222143. The next prime is 200022222223. The reversal of 200022222221 is 122222220002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 200022222221 - 2²² = 200018027917 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 200022222221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200022222223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6552785 + ... + 6583238.

It is an arithmetic number, because the mean of its divisors is an integer number (50008843368).

Almost surely, 2^200022222221 is an apocalyptic number.

It is an amenable number.

200022222221 is a deficient number, since it is larger than the sum of its proper divisors (13151251).

200022222221 is a wasteful number, since it uses less digits than its factorization.

200022222221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13151250.

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 200022222221 its reverse (122222220002), we get a palindrome (322244442223).

The spelling of 200022222221 in words is "two hundred billion, twenty-two million, two hundred twenty-two thousand, two hundred twenty-one".