2011222230 has 64 divisors (see below), whose sum is σ = 5229785088. Its totient is φ = 493032960.

The previous prime is 2011222229. The next prime is 2011222237. The reversal of 2011222230 is 322221102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011222237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23926 + ... + 67785.

It is an arithmetic number, because the mean of its divisors is an integer number (81715392).

Almost surely, 2^2011222230 is an apocalyptic number.

2011222230 is an abundant number, since it is smaller than the sum of its proper divisors (3218562858).

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

2011222230 is a wasteful number, since it uses less digits than its factorization.

2011222230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91781.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 2011222230 is about 44846.6523834277. The cubic root of 2011222230 is about 1262.2731766479.

Adding to 2011222230 its reverse (322221102), we get a palindrome (2333443332).

The spelling of 2011222230 in words is "two billion, eleven million, two hundred twenty-two thousand, two hundred thirty".