200221122222 has 48 divisors (see below), whose sum is σ = 473305472640. Its totient is φ = 60665946000.

The previous prime is 200221122217. The next prime is 200221122223. The reversal of 200221122222 is 222221122002.

200221122222 is a `hidden beast` number, since 200 + 221 + 1 + 22 + 222 = 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 = 200221122195 and 200221122204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200221122223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1774597 + ... + 1884047.

It is an arithmetic number, because the mean of its divisors is an integer number (9860530680).

Almost surely, 2^200221122222 is an apocalyptic number.

200221122222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

200221122222 is an abundant number, since it is smaller than the sum of its proper divisors (273084350418).

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

200221122222 is a wasteful number, since it uses less digits than its factorization.

200221122222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118709 (or 118706 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 200221122222 its reverse (222221122002), we get a palindrome (422442244224).

The spelling of 200221122222 in words is "two hundred billion, two hundred twenty-one million, one hundred twenty-two thousand, two hundred twenty-two".