422453 has 2 divisors, whose sum is σ = 422454. Its totient is φ = 422452.

The previous prime is 422431. The next prime is 422459. The reversal of 422453 is 354224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 418609 + 3844 = 647^2 + 62^2 .

It is a cyclic number.

It is not a de Polignac number, because 422453 - 2¹² = 418357 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 422453.

It is not a weakly prime, because it can be changed into another prime (422459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211226 + 211227.

It is an arithmetic number, because the mean of its divisors is an integer number (211227).

2⁴²²⁴⁵³ is an apocalyptic number.

It is an amenable number.

422453 is a deficient number, since it is larger than the sum of its proper divisors (1).

422453 is an equidigital number, since it uses as much as digits as its factorization.

422453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 960, while the sum is 20.

The square root of 422453 is about 649.9638451483. The cubic root of 422453 is about 75.0342362212.

Adding to 422453 its reverse (354224), we get a palindrome (776677).

The spelling of 422453 in words is "four hundred twenty-two thousand, four hundred fifty-three".