12214236 has 24 divisors (see below), whose sum is σ = 29163904. Its totient is φ = 3976560.

The previous prime is 12214183. The next prime is 12214243. The reversal of 12214236 is 63241221.

It is a super-2 number, since 2×12214236² = 298375122127392, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

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, 11320 + ... + 12351.

Almost surely, 2^12214236 is an apocalyptic number.

It is an amenable number.

12214236 is an abundant number, since it is smaller than the sum of its proper divisors (16949668).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12214236 is a wasteful number, since it uses less digits than its factorization.

12214236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23721 (or 23719 counting only the distinct ones).

The product of its digits is 576, while the sum is 21.

The square root of 12214236 is about 3494.8871226407. The cubic root of 12214236 is about 230.2972590001.

Adding to 12214236 its reverse (63241221), we get a palindrome (75455457).

The spelling of 12214236 in words is "twelve million, two hundred fourteen thousand, two hundred thirty-six".