452220305 has 8 divisors (see below), whose sum is σ = 548259432. Its totient is φ = 358046208.

The previous prime is 452220289. The next prime is 452220317. The reversal of 452220305 is 503022254.

452220305 = 2111² + 2112² + ... + 2207².

It can be written as a sum of positive squares in 4 ways, for example, as 20079361 + 432140944 = 4481^2 + 20788^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 452220305 - 2⁴ = 452220289 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 465722 + ... + 466691.

It is an arithmetic number, because the mean of its divisors is an integer number (68532429).

Almost surely, 2^452220305 is an apocalyptic number.

It is an amenable number.

452220305 is a deficient number, since it is larger than the sum of its proper divisors (96039127).

452220305 is an equidigital number, since it uses as much as digits as its factorization.

452220305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 932515.

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 452220305 is about 21265.4721320736. The cubic root of 452220305 is about 767.5676916533.

Adding to 452220305 its reverse (503022254), we get a palindrome (955242559).

The spelling of 452220305 in words is "four hundred fifty-two million, two hundred twenty thousand, three hundred five".