2222222222 has 32 divisors (see below), whose sum is σ = 3739212288. Its totient is φ = 981720000.

The previous prime is 2222222137. The next prime is 2222222243.

2222222222 is nontrivially palindromic in base 10.

It is a nude number because it is divisible by every one of its digits.

2222222222 is a modest number, since divided by 222222 gives 2222 as remainder.

2222222222 is a nontrivial repdigit in base 10.

It is a plaindrome in base 10.

It is a nialpdrome 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 = 2222222194 and 2222222203.

It is a congruent number.

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, 239897 + ... + 248987.

It is an arithmetic number, because the mean of its divisors is an integer number (116850384).

Almost surely, 2^2222222222 is an apocalyptic number.

2222222222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2222222222 is a deficient number, since it is larger than the sum of its proper divisors (1516990066).

2222222222 is a wasteful number, since it uses less digits than its factorization.

2222222222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9416.

The product of its digits is 1024, while the sum is 20.

The square root of 2222222222 is about 47140.4520767461. The cubic root of 2222222222 is about 1304.9558803461.

It can be divided in two parts, 222222222 and 2, that multiplied together give a palindrome (444444444).

The spelling of 2222222222 in words is "two billion, two hundred twenty-two million, two hundred twenty-two thousand, two hundred twenty-two".