14263220 has 48 divisors (see below), whose sum is σ = 31667328. Its totient is φ = 5385600.

The previous prime is 14263219. The next prime is 14263259. The reversal of 14263220 is 2236241.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 14263192 and 14263201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46307 + ... + 46613.

It is an arithmetic number, because the mean of its divisors is an integer number (659736).

Almost surely, 2^14263220 is an apocalyptic number.

14263220 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 14263220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15833664).

14263220 is an abundant number, since it is smaller than the sum of its proper divisors (17404108).

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

14263220 is a wasteful number, since it uses less digits than its factorization.

14263220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440 (or 438 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 14263220 is about 3776.6678434832. The cubic root of 14263220 is about 242.5153283257.

Adding to 14263220 its reverse (2236241), we get a palindrome (16499461).

The spelling of 14263220 in words is "fourteen million, two hundred sixty-three thousand, two hundred twenty".