422803453 has 2 divisors, whose sum is σ = 422803454. Its totient is φ = 422803452.

The previous prime is 422803427. The next prime is 422803463. The reversal of 422803453 is 354308224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 421809444 + 994009 = 20538^2 + 997^2 .

It is a cyclic number.

It is not a de Polignac number, because 422803453 - 2⁵ = 422803421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422803463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211401726 + 211401727.

It is an arithmetic number, because the mean of its divisors is an integer number (211401727).

Almost surely, 2^422803453 is an apocalyptic number.

It is an amenable number.

422803453 is a deficient number, since it is larger than the sum of its proper divisors (1).

422803453 is an equidigital number, since it uses as much as digits as its factorization.

422803453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23040, while the sum is 31.

The square root of 422803453 is about 20562.1850249432. The cubic root of 422803453 is about 750.5497912447.

The spelling of 422803453 in words is "four hundred twenty-two million, eight hundred three thousand, four hundred fifty-three".