14221212 has 24 divisors (see below), whose sum is σ = 33244176. Its totient is φ = 4731648.

The previous prime is 14221211. The next prime is 14221237. The reversal of 14221212 is 21212241.

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

It is a junction number, because it is equal to n+sod(n) for n = 14221191 and 14221200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14221211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11118 + ... + 12330.

It is an arithmetic number, because the mean of its divisors is an integer number (1385174).

Almost surely, 2^14221212 is an apocalyptic number.

14221212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

14221212 is an abundant number, since it is smaller than the sum of its proper divisors (19022964).

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

14221212 is a wasteful number, since it uses less digits than its factorization.

14221212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2197 (or 2195 counting only the distinct ones).

The product of its digits is 64, while the sum is 15.

The square root of 14221212 is about 3771.1022261403. The cubic root of 14221212 is about 242.2770090264.

Adding to 14221212 its reverse (21212241), we get a palindrome (35433453).

The spelling of 14221212 in words is "fourteen million, two hundred twenty-one thousand, two hundred twelve".