454808221 has 8 divisors (see below), whose sum is σ = 519949760. Its totient is φ = 389708928.

The previous prime is 454808219. The next prime is 454808231. The reversal of 454808221 is 122808454.

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

It is not a de Polignac number, because 454808221 - 2¹ = 454808219 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 (454808201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17485 + ... + 34861.

It is an arithmetic number, because the mean of its divisors is an integer number (64993720).

Almost surely, 2^454808221 is an apocalyptic number.

It is an amenable number.

454808221 is a deficient number, since it is larger than the sum of its proper divisors (65141539).

454808221 is a wasteful number, since it uses less digits than its factorization.

454808221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21123.

The product of its (nonzero) digits is 20480, while the sum is 34.

The square root of 454808221 is about 21326.2331648137. The cubic root of 454808221 is about 769.0290911122.

The spelling of 454808221 in words is "four hundred fifty-four million, eight hundred eight thousand, two hundred twenty-one".