222222021012210 has 16 divisors (see below), whose sum is σ = 533332850429376. Its totient is φ = 59259205603248.

The previous prime is 222222021012181. The next prime is 222222021012323. The reversal of 222222021012210 is 12210120222222.

222222021012210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×222222021012210² (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 7 ways as a sum of consecutive naturals, for example, 3703700350174 + ... + 3703700350233.

It is an arithmetic number, because the mean of its divisors is an integer number (33333303151836).

Almost surely, 2^{222222021012210} is an apocalyptic number.

222222021012210 is an abundant number, since it is smaller than the sum of its proper divisors (311110829417166).

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

222222021012210 is a wasteful number, since it uses less digits than its factorization.

222222021012210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7407400700417.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 222222021012210 its reverse (12210120222222), we get a palindrome (234432141234432).

The spelling of 222222021012210 in words is "two hundred twenty-two trillion, two hundred twenty-two billion, twenty-one million, twelve thousand, two hundred ten".