12022210 has 8 divisors (see below), whose sum is σ = 21639996. Its totient is φ = 4808880.

The previous prime is 12022181. The next prime is 12022223. The reversal of 12022210 is 1222021.

It can be written as a sum of positive squares in 2 ways, for example, as 10042561 + 1979649 = 3169^2 + 1407^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (10), and also a Moran number because the ratio is a prime number: 1202221 = 12022210 / (1 + 2 + 0 + 2 + 2 + 2 + 1 + 0).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 601101 + ... + 601120.

Almost surely, 2^12022210 is an apocalyptic number.

12022210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12022210 is a deficient number, since it is larger than the sum of its proper divisors (9617786).

12022210 is a wasteful number, since it uses less digits than its factorization.

12022210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1202228.

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

The square root of 12022210 is about 3467.3058705571. The cubic root of 12022210 is about 229.0840064783.

Adding to 12022210 its reverse (1222021), we get a palindrome (13244231).

The spelling of 12022210 in words is "twelve million, twenty-two thousand, two hundred ten".