2222442222 has 256 divisors, whose sum is σ = 6258567168. Its totient is φ = 507617280.

The previous prime is 2222442221. The next prime is 2222442239.

2222442222 is nontrivially palindromic in base 10.

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 2222442192 and 2222442201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222442221) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 16222138 + ... + 16222274.

It is an arithmetic number, because the mean of its divisors is an integer number (24447528).

Almost surely, 2^2222442222 is an apocalyptic number.

2222442222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2222442222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3129283584).

2222442222 is an abundant number, since it is smaller than the sum of its proper divisors (4036124946).

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

2222442222 is a wasteful number, since it uses less digits than its factorization.

2222442222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283.

The product of its digits is 4096, while the sum is 24.

The square root of 2222442222 is about 47142.7854713741. The cubic root of 2222442222 is about 1304.9989424692.

It can be divided in two parts, 22224 and 42222, that added together give a palindrome (64446).

The spelling of 2222442222 in words is "two billion, two hundred twenty-two million, four hundred forty-two thousand, two hundred twenty-two".