452450221 has 2 divisors, whose sum is σ = 452450222. Its totient is φ = 452450220.

The previous prime is 452450161. The next prime is 452450281. The reversal of 452450221 is 122054254.

It is a balanced prime because it is at equal distance from previous prime (452450161) and next prime (452450281).

It can be written as a sum of positive squares in only one way, i.e., 424772100 + 27678121 = 20610^2 + 5261^2 .

It is a cyclic number.

It is not a de Polignac number, because 452450221 - 2¹⁵ = 452417453 is a prime.

It is a super-2 number, since 2×452450221² = 409422404965897682, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (452450281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 226225110 + 226225111.

It is an arithmetic number, because the mean of its divisors is an integer number (226225111).

Almost surely, 2^452450221 is an apocalyptic number.

It is an amenable number.

452450221 is a deficient number, since it is larger than the sum of its proper divisors (1).

452450221 is an equidigital number, since it uses as much as digits as its factorization.

452450221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 452450221 is about 21270.8772973754. The cubic root of 452450221 is about 767.6977508244.

It can be divided in two parts, 4524 and 50221, that added together give a palindrome (54745).

The spelling of 452450221 in words is "four hundred fifty-two million, four hundred fifty thousand, two hundred twenty-one".