2011222 has 8 divisors (see below), whose sum is σ = 3051000. Its totient is φ = 994224.

The previous prime is 2011211. The next prime is 2011241. The reversal of 2011222 is 2221102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2011199 and 2011208.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5472 + ... + 5827.

It is an arithmetic number, because the mean of its divisors is an integer number (381375).

2^2011222 is an apocalyptic number.

2011222 is a deficient number, since it is larger than the sum of its proper divisors (1039778).

2011222 is a wasteful number, since it uses less digits than its factorization.

2011222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11390.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 2011222 is about 1418.1755885644. The cubic root of 2011222 is about 126.2273128531.

Adding to 2011222 its reverse (2221102), we get a palindrome (4232324).

The spelling of 2011222 in words is "two million, eleven thousand, two hundred twenty-two".