222022210 has 32 divisors (see below), whose sum is σ = 424215792. Its totient is φ = 83374080.

The previous prime is 222022189. The next prime is 222022211. The reversal of 222022210 is 12220222.

222022210 is digitally balanced in base 2, 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 8 ways, for example, as 95707089 + 126315121 = 9783^2 + 11239^2 .

It is not an unprimeable number, because it can be changed into a prime (222022211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76954 + ... + 79786.

Almost surely, 2^222022210 is an apocalyptic number.

222022210 is a deficient number, since it is larger than the sum of its proper divisors (202193582).

222022210 is a wasteful number, since it uses less digits than its factorization.

222022210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3318.

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

The square root of 222022210 is about 14900.4097259102. The cubic root of 222022210 is about 605.5250865659.

Adding to 222022210 its reverse (12220222), we get a palindrome (234242432).

The spelling of 222022210 in words is "two hundred twenty-two million, twenty-two thousand, two hundred ten".