200122222 has 4 divisors (see below), whose sum is σ = 300183336. Its totient is φ = 100061110.

The previous prime is 200122211. The next prime is 200122259. The reversal of 200122222 is 222221002.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50030554 + ... + 50030557.

It is an arithmetic number, because the mean of its divisors is an integer number (75045834).

Almost surely, 2^200122222 is an apocalyptic number.

200122222 is a deficient number, since it is larger than the sum of its proper divisors (100061114).

200122222 is a wasteful number, since it uses less digits than its factorization.

200122222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100061113.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 200122222 is about 14146.4561640009. The cubic root of 200122222 is about 584.9226498164.

Adding to 200122222 its reverse (222221002), we get a palindrome (422343224).

The spelling of 200122222 in words is "two hundred million, one hundred twenty-two thousand, two hundred twenty-two".