2011031222 has 16 divisors (see below), whose sum is σ = 3096328032. Its totient is φ = 979020480.

The previous prime is 2011031221. The next prime is 2011031227. The reversal of 2011031222 is 2221301102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2011031197 and 2011031206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011031221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16868 + ... + 65624.

It is an arithmetic number, because the mean of its divisors is an integer number (193520502).

Almost surely, 2^2011031222 is an apocalyptic number.

2011031222 is a deficient number, since it is larger than the sum of its proper divisors (1085296810).

2011031222 is a wasteful number, since it uses less digits than its factorization.

2011031222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49303.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 2011031222 is about 44844.5227647703. The cubic root of 2011031222 is about 1262.2332155562.

Adding to 2011031222 its reverse (2221301102), we get a palindrome (4232332324).

The spelling of 2011031222 in words is "two billion, eleven million, thirty-one thousand, two hundred twenty-two".