14221040 has 20 divisors (see below), whose sum is σ = 33064104. Its totient is φ = 5688384.

The previous prime is 14221021. The next prime is 14221069. The reversal of 14221040 is 4012241.

It is a tau number, because it is divible by the number of its divisors (20).

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, 88802 + ... + 88961.

Almost surely, 2^14221040 is an apocalyptic number.

14221040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14221040 is an abundant number, since it is smaller than the sum of its proper divisors (18843064).

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

14221040 is a wasteful number, since it uses less digits than its factorization.

14221040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177776 (or 177770 counting only the distinct ones).

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

The square root of 14221040 is about 3771.0794210677. The cubic root of 14221040 is about 242.2760322739.

Adding to 14221040 its reverse (4012241), we get a palindrome (18233281).

The spelling of 14221040 in words is "fourteen million, two hundred twenty-one thousand, forty".