12222836 has 24 divisors (see below), whose sum is σ = 22065120. Its totient is φ = 5920992.

The previous prime is 12222827. The next prime is 12222841. The reversal of 12222836 is 63822221.

It is a plaindrome in base 15.

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 7 ways as a sum of consecutive naturals, for example, 30590 + ... + 30986.

It is an arithmetic number, because the mean of its divisors is an integer number (919380).

Almost surely, 2^12222836 is an apocalyptic number.

It is an amenable number.

12222836 is a deficient number, since it is larger than the sum of its proper divisors (9842284).

12222836 is a wasteful number, since it uses less digits than its factorization.

12222836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623 (or 621 counting only the distinct ones).

The product of its digits is 2304, while the sum is 26.

The square root of 12222836 is about 3496.1172749209. The cubic root of 12222836 is about 230.3512968124.

The spelling of 12222836 in words is "twelve million, two hundred twenty-two thousand, eight hundred thirty-six".