2212222000 has 120 divisors (see below), whose sum is σ = 5532074496. Its totient is φ = 855600000.

The previous prime is 2212221959. The next prime is 2212222007. The reversal of 2212222000 is 2222122.

It is not an unprimeable number, because it can be changed into a prime (2212222007) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1921425 + ... + 1922575.

Almost surely, 2^2212222000 is an apocalyptic number.

2212222000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2212222000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2766037248).

2212222000 is an abundant number, since it is smaller than the sum of its proper divisors (3319852496).

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

2212222000 is a wasteful number, since it uses less digits than its factorization.

2212222000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1236 (or 1189 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 2212222000 is about 47034.2641060748. The cubic root of 2212222000 is about 1302.9954594263.

Adding to 2212222000 its reverse (2222122), we get a palindrome (2214444122).

The spelling of 2212222000 in words is "two billion, two hundred twelve million, two hundred twenty-two thousand".