222221122200210 has 32 divisors (see below), whose sum is σ = 609520792321152. Its totient is φ = 50793399360000.

The previous prime is 222221122200167. The next prime is 222221122200239. The reversal of 222221122200210 is 12002221122222.

It is a super-3 number, since 3×222221122200210³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 529097909791 + ... + 529097910210.

It is an arithmetic number, because the mean of its divisors is an integer number (19047524760036).

Almost surely, 2^{222221122200210} is an apocalyptic number.

222221122200210 is an abundant number, since it is smaller than the sum of its proper divisors (387299670120942).

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

222221122200210 is a wasteful number, since it uses less digits than its factorization.

222221122200210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1058195820018.

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

Adding to 222221122200210 its reverse (12002221122222), we get a palindrome (234223343322432).

The spelling of 222221122200210 in words is "two hundred twenty-two trillion, two hundred twenty-one billion, one hundred twenty-two million, two hundred thousand, two hundred ten".