222211022202210 has 128 divisors (see below), whose sum is σ = 570372280418304. Its totient is φ = 55208557992960.

The previous prime is 222211022202101. The next prime is 222211022202229. The reversal of 222211022202210 is 12202220112222.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 140360955 + ... + 141935265.

It is an arithmetic number, because the mean of its divisors is an integer number (4456033440768).

Almost surely, 2^{222211022202210} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222211022202210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (285186140209152).

222211022202210 is an abundant number, since it is smaller than the sum of its proper divisors (348161258216094).

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

222211022202210 is a wasteful number, since it uses less digits than its factorization.

222211022202210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1577128.

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

Adding to 222211022202210 its reverse (12202220112222), we get a palindrome (234413242314432).

The spelling of 222211022202210 in words is "two hundred twenty-two trillion, two hundred eleven billion, twenty-two million, two hundred two thousand, two hundred ten".