2123204222 has 16 divisors (see below), whose sum is σ = 3376996272. Its totient is φ = 997718400.

The previous prime is 2123204219. The next prime is 2123204233. The reversal of 2123204222 is 2224023212.

It is a junction number, because it is equal to n+sod(n) for n = 2123204194 and 2123204203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20708 + ... + 68375.

It is an arithmetic number, because the mean of its divisors is an integer number (211062267).

Almost surely, 2^2123204222 is an apocalyptic number.

2123204222 is a deficient number, since it is larger than the sum of its proper divisors (1253792050).

2123204222 is a wasteful number, since it uses less digits than its factorization.

2123204222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89803.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 2123204222 is about 46078.2402224738. The cubic root of 2123204222 is about 1285.2785402533.

Adding to 2123204222 its reverse (2224023212), we get a palindrome (4347227434).

The spelling of 2123204222 in words is "two billion, one hundred twenty-three million, two hundred four thousand, two hundred twenty-two".