14219540 has 12 divisors (see below), whose sum is σ = 29861076. Its totient is φ = 5687808.

The previous prime is 14219539. The next prime is 14219563. The reversal of 14219540 is 4591241.

14219540 is digitally balanced in base 2, because in such base 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 10163344 + 4056196 = 3188^2 + 2014^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 355469 + ... + 355508.

It is an arithmetic number, because the mean of its divisors is an integer number (2488423).

Almost surely, 2^14219540 is an apocalyptic number.

14219540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14219540 is an abundant number, since it is smaller than the sum of its proper divisors (15641536).

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

14219540 is a wasteful number, since it uses less digits than its factorization.

14219540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710986 (or 710984 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 14219540 is about 3770.8805337746. The cubic root of 14219540 is about 242.2675137495.

The spelling of 14219540 in words is "fourteen million, two hundred nineteen thousand, five hundred forty".