222211203210 has 48 divisors (see below), whose sum is σ = 587220440040. Its totient is φ = 58284904320.

The previous prime is 222211203209. The next prime is 222211203211. The reversal of 222211203210 is 12302112222.

222211203210 is a `hidden beast` number, since 2 + 2 + 221 + 120 + 321 + 0 = 666.

222211203210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (222211203209) and next prime (222211203211).

It can be written as a sum of positive squares in 4 ways, for example, as 139665890961 + 82545312249 = 373719^2 + 287307^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (222211203211) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 20232325 + ... + 20243304.

Almost surely, 2^222211203210 is an apocalyptic number.

222211203210 is an abundant number, since it is smaller than the sum of its proper divisors (365009236830).

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

222211203210 is a wasteful number, since it uses less digits than its factorization.

222211203210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40475703 (or 40475700 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 222211203210 its reverse (12302112222), we get a palindrome (234513315432).

The spelling of 222211203210 in words is "two hundred twenty-two billion, two hundred eleven million, two hundred three thousand, two hundred ten".