14222420 has 12 divisors (see below), whose sum is σ = 29867124. Its totient is φ = 5688960.

The previous prime is 14222419. The next prime is 14222443. The reversal of 14222420 is 2422241.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4008004 + 10214416 = 2002^2 + 3196^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 355541 + ... + 355580.

It is an arithmetic number, because the mean of its divisors is an integer number (2488927).

Almost surely, 2^14222420 is an apocalyptic number.

14222420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14222420 is an abundant number, since it is smaller than the sum of its proper divisors (15644704).

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

14222420 is a wasteful number, since it uses less digits than its factorization.

14222420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711130 (or 711128 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 14222420 is about 3771.2623881136. The cubic root of 14222420 is about 242.2838687872.

Adding to 14222420 its reverse (2422241), we get a palindrome (16644661).

The spelling of 14222420 in words is "fourteen million, two hundred twenty-two thousand, four hundred twenty".