14222820 has 48 divisors (see below), whose sum is σ = 40235328. Its totient is φ = 3753600.

The previous prime is 14222807. The next prime is 14222833. The reversal of 14222820 is 2822241.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (14222807) and next prime (14222833).

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 15 ways as a sum of consecutive naturals, for example, 4887 + ... + 7233.

It is an arithmetic number, because the mean of its divisors is an integer number (838236).

Almost surely, 2^14222820 is an apocalyptic number.

14222820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14222820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20117664).

14222820 is an abundant number, since it is smaller than the sum of its proper divisors (26012508).

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

14222820 is a wasteful number, since it uses less digits than its factorization.

14222820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2460 (or 2458 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 14222820 is about 3771.3154203805. The cubic root of 14222820 is about 242.2861401456.

The spelling of 14222820 in words is "fourteen million, two hundred twenty-two thousand, eight hundred twenty".