222222021002210 has 16 divisors (see below), whose sum is σ = 408510268396416. Its totient is φ = 86997557158128.

The previous prime is 222222021002207. The next prime is 222222021002221. The reversal of 222222021002210 is 12200120222222.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 236406404852 + ... + 236406405791.

It is an arithmetic number, because the mean of its divisors is an integer number (25531891774776).

Almost surely, 2^{222222021002210} is an apocalyptic number.

222222021002210 is a deficient number, since it is larger than the sum of its proper divisors (186288247394206).

222222021002210 is a wasteful number, since it uses less digits than its factorization.

222222021002210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472812810697.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 222222021002210 its reverse (12200120222222), we get a palindrome (234422141224432).

The spelling of 222222021002210 in words is "two hundred twenty-two trillion, two hundred twenty-two billion, twenty-one million, two thousand, two hundred ten".