14212220 has 24 divisors (see below), whose sum is σ = 32559408. Its totient is φ = 5168000.

The previous prime is 14212217. The next prime is 14212259. The reversal of 14212220 is 2221241.

It is a junction number, because it is equal to n+sod(n) for n = 14212195 and 14212204.

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, 32081 + ... + 32520.

It is an arithmetic number, because the mean of its divisors is an integer number (1356642).

Almost surely, 2^14212220 is an apocalyptic number.

14212220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14212220 is an abundant number, since it is smaller than the sum of its proper divisors (18347188).

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

14212220 is a wasteful number, since it uses less digits than its factorization.

14212220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64621 (or 64619 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 14212220 is about 3769.9098132449. The cubic root of 14212220 is about 242.2259347534.

Adding to 14212220 its reverse (2221241), we get a palindrome (16433461).

The spelling of 14212220 in words is "fourteen million, two hundred twelve thousand, two hundred twenty".