455114221 has 2 divisors, whose sum is σ = 455114222. Its totient is φ = 455114220.

The previous prime is 455114213. The next prime is 455114249. The reversal of 455114221 is 122411554.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 454329225 + 784996 = 21315^2 + 886^2 .

It is a cyclic number.

It is not a de Polignac number, because 455114221 - 2³ = 455114213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (455114291) 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 as a sum of consecutive naturals, namely, 227557110 + 227557111.

It is an arithmetic number, because the mean of its divisors is an integer number (227557111).

Almost surely, 2^455114221 is an apocalyptic number.

It is an amenable number.

455114221 is a deficient number, since it is larger than the sum of its proper divisors (1).

455114221 is an equidigital number, since it uses as much as digits as its factorization.

455114221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1600, while the sum is 25.

The square root of 455114221 is about 21333.4062212297. The cubic root of 455114221 is about 769.2015228719.

Adding to 455114221 its reverse (122411554), we get a palindrome (577525775).

The spelling of 455114221 in words is "four hundred fifty-five million, one hundred fourteen thousand, two hundred twenty-one".