2011022222 has 16 divisors (see below), whose sum is σ = 3295873152. Its totient is φ = 912681720.

The previous prime is 2011022203. The next prime is 2011022239. The reversal of 2011022222 is 2222201102.

2011022222 is a modest number, since divided by 22222 gives 20110 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 2011022197 and 2011022206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56408 + ... + 84875.

It is an arithmetic number, because the mean of its divisors is an integer number (205992072).

Almost surely, 2^2011022222 is an apocalyptic number.

2011022222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2011022222 is a deficient number, since it is larger than the sum of its proper divisors (1284850930).

2011022222 is a wasteful number, since it uses less digits than its factorization.

2011022222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141943.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 2011022222 is about 44844.4224179552. The cubic root of 2011022222 is about 1262.2313325892.

Adding to 2011022222 its reverse (2222201102), we get a palindrome (4233223324).

It can be divided in two parts, 201102 and 2222, that multiplied together give a palindrome (446848644).

The spelling of 2011022222 in words is "two billion, eleven million, twenty-two thousand, two hundred twenty-two".