2201022222 has 64 divisors (see below), whose sum is σ = 5226854400. Its totient is φ = 604558080.

The previous prime is 2201022221. The next prime is 2201022233. The reversal of 2201022222 is 2222201022.

2201022222 is a modest number, since divided by 22222 gives 22010 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201022221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 287322 + ... + 294882.

It is an arithmetic number, because the mean of its divisors is an integer number (81669600).

Almost surely, 2^2201022222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2201022222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2613427200).

2201022222 is an abundant number, since it is smaller than the sum of its proper divisors (3025832178).

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

2201022222 is a wasteful number, since it uses less digits than its factorization.

2201022222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7841.

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 2201022222 is about 46915.0532558581. The cubic root of 2201022222 is about 1300.7928540224.

Adding to 2201022222 its reverse (2222201022), we get a palindrome (4423223244).

It can be divided in two parts, 2201022 and 222, that multiplied together give a palindrome (488626884).

The spelling of 2201022222 in words is "two billion, two hundred one million, twenty-two thousand, two hundred twenty-two".