441214221 has 16 divisors (see below), whose sum is σ = 701558784. Its totient is φ = 241160304.

The previous prime is 441214211. The next prime is 441214223. The reversal of 441214221 is 122412144.

It is not a de Polignac number, because 441214221 - 2⁹ = 441213709 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (441214223) 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, 456261 + ... + 457226.

It is an arithmetic number, because the mean of its divisors is an integer number (43847424).

Almost surely, 2^441214221 is an apocalyptic number.

It is an amenable number.

441214221 is a deficient number, since it is larger than the sum of its proper divisors (260344563).

441214221 is a wasteful number, since it uses less digits than its factorization.

441214221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 913520.

The product of its digits is 512, while the sum is 21.

The square root of 441214221 is about 21005.0998807432. The cubic root of 441214221 is about 761.2894896752.

Adding to 441214221 its reverse (122412144), we get a palindrome (563626365).

The spelling of 441214221 in words is "four hundred forty-one million, two hundred fourteen thousand, two hundred twenty-one".