454221263 has 2 divisors, whose sum is σ = 454221264. Its totient is φ = 454221262.

The previous prime is 454221233. The next prime is 454221337. The reversal of 454221263 is 362122454.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 454221263 - 2¹² = 454217167 is a prime.

It is a super-2 number, since 2×454221263² = 412633911522630338, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (454221223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227110631 + 227110632.

It is an arithmetic number, because the mean of its divisors is an integer number (227110632).

Almost surely, 2^454221263 is an apocalyptic number.

454221263 is a deficient number, since it is larger than the sum of its proper divisors (1).

454221263 is an equidigital number, since it uses as much as digits as its factorization.

454221263 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11520, while the sum is 29.

The square root of 454221263 is about 21312.4673137579. The cubic root of 454221263 is about 768.6981222356.

The spelling of 454221263 in words is "four hundred fifty-four million, two hundred twenty-one thousand, two hundred sixty-three".