450914221 has 8 divisors (see below), whose sum is σ = 459484704. Its totient is φ = 442398000.

The previous prime is 450914203. The next prime is 450914267. The reversal of 450914221 is 122419054.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 450914221 - 2¹¹ = 450912173 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 450914221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450914291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3411 + ... + 30223.

It is an arithmetic number, because the mean of its divisors is an integer number (57435588).

Almost surely, 2^450914221 is an apocalyptic number.

It is an amenable number.

450914221 is a deficient number, since it is larger than the sum of its proper divisors (8570483).

450914221 is a wasteful number, since it uses less digits than its factorization.

450914221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27131.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 450914221 is about 21234.7408978777. The cubic root of 450914221 is about 766.8280266748.

The spelling of 450914221 in words is "four hundred fifty million, nine hundred fourteen thousand, two hundred twenty-one".