14783220 has 36 divisors (see below), whose sum is σ = 44842980. Its totient is φ = 3942144.

The previous prime is 14783207. The next prime is 14783231. The reversal of 14783220 is 2238741.

14783220 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2547216 + 12236004 = 1596^2 + 3498^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40885 + ... + 41244.

Almost surely, 2^14783220 is an apocalyptic number.

14783220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14783220 is an abundant number, since it is smaller than the sum of its proper divisors (30059760).

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

14783220 is a wasteful number, since it uses less digits than its factorization.

14783220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82144 (or 82139 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 14783220 is about 3844.8953171705. The cubic root of 14783220 is about 245.4273812064.

The spelling of 14783220 in words is "fourteen million, seven hundred eighty-three thousand, two hundred twenty".