914221 has 16 divisors (see below), whose sum is σ = 1179648. Its totient is φ = 687600.

The previous prime is 914219. The next prime is 914237. The reversal of 914221 is 122419.

It is a cyclic number.

It is not a de Polignac number, because 914221 - 2¹ = 914219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (914021) by changing a digit.

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, 2196 + ... + 2578.

It is an arithmetic number, because the mean of its divisors is an integer number (73728).

2⁹¹⁴²²¹ is an apocalyptic number.

It is an amenable number.

914221 is a deficient number, since it is larger than the sum of its proper divisors (265427).

914221 is a wasteful number, since it uses less digits than its factorization.

914221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432.

The product of its digits is 144, while the sum is 19.

The square root of 914221 is about 956.1490469587. The cubic root of 914221 is about 97.0548101331.

The spelling of 914221 in words is "nine hundred fourteen thousand, two hundred twenty-one".