12422210 has 8 divisors (see below), whose sum is σ = 22359996. Its totient is φ = 4968880.

The previous prime is 12422209. The next prime is 12422243. The reversal of 12422210 is 1222421.

It can be written as a sum of positive squares in 2 ways, for example, as 11404129 + 1018081 = 3377^2 + 1009^2 .

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

It is a super-2 number, since 2×12422210² = 308622602568200, which contains 22 as substring.

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, 621101 + ... + 621120.

Almost surely, 2^12422210 is an apocalyptic number.

12422210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12422210 is a deficient number, since it is larger than the sum of its proper divisors (9937786).

12422210 is a wasteful number, since it uses less digits than its factorization.

12422210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1242228.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 12422210 is about 3524.5155695499. The cubic root of 12422210 is about 231.5970139504.

Adding to 12422210 its reverse (1222421), we get a palindrome (13644631).

The spelling of 12422210 in words is "twelve million, four hundred twenty-two thousand, two hundred ten".