222222102122210 has 32 divisors (see below), whose sum is σ = 424009920024432. Its totient is φ = 83565125079040.

The previous prime is 222222102122197. The next prime is 222222102122221. The reversal of 222222102122210 is 12221201222222.

222222102122210 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 130646523065041 + 91575579057169 = 11430071^2 + 9569513^2 .

It is a super-2 number, since 2×222222102122210² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 741728117 + ... + 742027656.

Almost surely, 2^{222222102122210} is an apocalyptic number.

222222102122210 is a deficient number, since it is larger than the sum of its proper divisors (201787817902222).

222222102122210 is a wasteful number, since it uses less digits than its factorization.

222222102122210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1483756678.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 222222102122210 its reverse (12221201222222), we get a palindrome (234443303344432).

The spelling of 222222102122210 in words is "two hundred twenty-two trillion, two hundred twenty-two billion, one hundred two million, one hundred twenty-two thousand, two hundred ten".