450222523 has 2 divisors, whose sum is σ = 450222524. Its totient is φ = 450222522.

The previous prime is 450222511. The next prime is 450222533. The reversal of 450222523 is 325222054.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 450222523 - 2⁹ = 450222011 is a prime.

It is not a weakly prime, because it can be changed into another prime (450222533) 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, 225111261 + 225111262.

It is an arithmetic number, because the mean of its divisors is an integer number (225111262).

Almost surely, 2^450222523 is an apocalyptic number.

450222523 is a deficient number, since it is larger than the sum of its proper divisors (1).

450222523 is an equidigital number, since it uses as much as digits as its factorization.

450222523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 450222523 is about 21218.4477047686. The cubic root of 450222523 is about 766.4357237818.

Adding to 450222523 its reverse (325222054), we get a palindrome (775444577).

The spelling of 450222523 in words is "four hundred fifty million, two hundred twenty-two thousand, five hundred twenty-three".