454221371 has 2 divisors, whose sum is σ = 454221372. Its totient is φ = 454221370.

The previous prime is 454221359. The next prime is 454221373. The reversal of 454221371 is 173122454.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 454221371 - 2¹⁴ = 454204987 is a prime.

Together with 454221373, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (454221373) 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, 227110685 + 227110686.

It is an arithmetic number, because the mean of its divisors is an integer number (227110686).

Almost surely, 2^454221371 is an apocalyptic number.

454221371 is a deficient number, since it is larger than the sum of its proper divisors (1).

454221371 is an equidigital number, since it uses as much as digits as its factorization.

454221371 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6720, while the sum is 29.

The square root of 454221371 is about 21312.4698474860. The cubic root of 454221371 is about 768.6981831600.

The spelling of 454221371 in words is "four hundred fifty-four million, two hundred twenty-one thousand, three hundred seventy-one".