14022220 has 24 divisors (see below), whose sum is σ = 29517264. Its totient is φ = 5595456.

The previous prime is 14022193. The next prime is 14022221. The reversal of 14022220 is 2222041.

It is a self number, because there is not a number n which added to its sum of digits gives 14022220.

It is not an unprimeable number, because it can be changed into a prime (14022221) 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, 15007 + ... + 15913.

It is an arithmetic number, because the mean of its divisors is an integer number (1229886).

Almost surely, 2^14022220 is an apocalyptic number.

14022220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14022220 is an abundant number, since it is smaller than the sum of its proper divisors (15495044).

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

14022220 is a wasteful number, since it uses less digits than its factorization.

14022220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1689 (or 1687 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 14022220 is about 3744.6254819408. The cubic root of 14022220 is about 241.1416670218.

Adding to 14022220 its reverse (2222041), we get a palindrome (16244261).

The spelling of 14022220 in words is "fourteen million, twenty-two thousand, two hundred twenty".