12222110 has 16 divisors (see below), whose sum is σ = 22041936. Its totient is φ = 4879488.

The previous prime is 12222109. The next prime is 12222121. The reversal of 12222110 is 1122221.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12222091 and 12222100.

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, 7094 + ... + 8646.

It is an arithmetic number, because the mean of its divisors is an integer number (1377621).

Almost surely, 2^12222110 is an apocalyptic number.

12222110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12222110 is a deficient number, since it is larger than the sum of its proper divisors (9819826).

12222110 is a wasteful number, since it uses less digits than its factorization.

12222110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2347.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 12222110 is about 3496.0134439101. The cubic root of 12222110 is about 230.3467359954.

Adding to 12222110 its reverse (1122221), we get a palindrome (13344331).

The spelling of 12222110 in words is "twelve million, two hundred twenty-two thousand, one hundred ten".