2311011222 has 32 divisors (see below), whose sum is σ = 4991722848. Its totient is φ = 709057536.

The previous prime is 2311011203. The next prime is 2311011223. The reversal of 2311011222 is 2221101132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2311011223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14433 + ... + 69500.

It is an arithmetic number, because the mean of its divisors is an integer number (155991339).

Almost surely, 2^2311011222 is an apocalyptic number.

2311011222 is an abundant number, since it is smaller than the sum of its proper divisors (2680711626).

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

2311011222 is a wasteful number, since it uses less digits than its factorization.

2311011222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84304.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 2311011222 is about 48072.9780854068. The cubic root of 2311011222 is about 1322.1092734998.

Adding to 2311011222 its reverse (2221101132), we get a palindrome (4532112354).

The spelling of 2311011222 in words is "two billion, three hundred eleven million, eleven thousand, two hundred twenty-two".