222020210 has 8 divisors (see below), whose sum is σ = 399636396. Its totient is φ = 88808080.

The previous prime is 222020191. The next prime is 222020213. The reversal of 222020210 is 12020222.

222020210 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 217887121 + 4133089 = 14761^2 + 2033^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 222020191 and 222020200.

It is not an unprimeable number, because it can be changed into a prime (222020213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11101001 + ... + 11101020.

Almost surely, 2^222020210 is an apocalyptic number.

222020210 is a deficient number, since it is larger than the sum of its proper divisors (177616186).

222020210 is a wasteful number, since it uses less digits than its factorization.

222020210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22202028.

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 222020210 is about 14900.3426135106. The cubic root of 222020210 is about 605.5232683487.

Adding to 222020210 its reverse (12020222), we get a palindrome (234040432).

The spelling of 222020210 in words is "two hundred twenty-two million, twenty thousand, two hundred ten".