452222509 has 2 divisors, whose sum is σ = 452222510. Its totient is φ = 452222508.

The previous prime is 452222503. The next prime is 452222531. The reversal of 452222509 is 905222254.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 446476900 + 5745609 = 21130^2 + 2397^2 .

It is a cyclic number.

It is not a de Polignac number, because 452222509 - 2⁹ = 452221997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (452222503) 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, 226111254 + 226111255.

It is an arithmetic number, because the mean of its divisors is an integer number (226111255).

Almost surely, 2^452222509 is an apocalyptic number.

It is an amenable number.

452222509 is a deficient number, since it is larger than the sum of its proper divisors (1).

452222509 is an equidigital number, since it uses as much as digits as its factorization.

452222509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 452222509 is about 21265.5239531031. The cubic root of 452222509 is about 767.5689386240.

The spelling of 452222509 in words is "four hundred fifty-two million, two hundred twenty-two thousand, five hundred nine".