452034221 has 2 divisors, whose sum is σ = 452034222. Its totient is φ = 452034220.

The previous prime is 452034211. The next prime is 452034229. The reversal of 452034221 is 122430254.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 412658596 + 39375625 = 20314^2 + 6275^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-452034221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (452034229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 226017110 + 226017111.

It is an arithmetic number, because the mean of its divisors is an integer number (226017111).

Almost surely, 2^452034221 is an apocalyptic number.

It is an amenable number.

452034221 is a deficient number, since it is larger than the sum of its proper divisors (1).

452034221 is an equidigital number, since it uses as much as digits as its factorization.

452034221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 452034221 is about 21261.0964204577. The cubic root of 452034221 is about 767.4623951414.

Adding to 452034221 its reverse (122430254), we get a palindrome (574464475).

The spelling of 452034221 in words is "four hundred fifty-two million, thirty-four thousand, two hundred twenty-one".