422798459 has 4 divisors (see below), whose sum is σ = 427157304. Its totient is φ = 418439616.

The previous prime is 422798447. The next prime is 422798461. The reversal of 422798459 is 954897224.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 422798459 - 2¹² = 422794363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422798359) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2179277 + ... + 2179470.

It is an arithmetic number, because the mean of its divisors is an integer number (106789326).

Almost surely, 2^422798459 is an apocalyptic number.

422798459 is a deficient number, since it is larger than the sum of its proper divisors (4358845).

422798459 is an equidigital number, since it uses as much as digits as its factorization.

422798459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4358844.

The product of its digits is 1451520, while the sum is 50.

The square root of 422798459 is about 20562.0635880740. The cubic root of 422798459 is about 750.5468361597.

The spelling of 422798459 in words is "four hundred twenty-two million, seven hundred ninety-eight thousand, four hundred fifty-nine".