14801220 has 144 divisors (see below), whose sum is σ = 54407808. Its totient is φ = 3179520.

The previous prime is 14801197. The next prime is 14801231. The reversal of 14801220 is 2210841.

It is a super-2 number, since 2×14801220² = 438152226976800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 14801193 and 14801202.

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 21075 + ... + 21765.

It is an arithmetic number, because the mean of its divisors is an integer number (377832).

Almost surely, 2^14801220 is an apocalyptic number.

14801220 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 14801220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27203904).

14801220 is an abundant number, since it is smaller than the sum of its proper divisors (39606588).

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

14801220 is a wasteful number, since it uses less digits than its factorization.

14801220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 730 (or 725 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 14801220 is about 3847.2353710164. The cubic root of 14801220 is about 245.5269513290.

The spelling of 14801220 in words is "fourteen million, eight hundred one thousand, two hundred twenty".