422626459 has 4 divisors (see below), whose sum is σ = 424629640. Its totient is φ = 420623280.

The previous prime is 422626453. The next prime is 422626471. The reversal of 422626459 is 954626224.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-422626459 is a prime.

It is a super-2 number, since 2×422626459² = 357226247693757362, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422626453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1001274 + ... + 1001695.

It is an arithmetic number, because the mean of its divisors is an integer number (106157410).

Almost surely, 2^422626459 is an apocalyptic number.

422626459 is a deficient number, since it is larger than the sum of its proper divisors (2003181).

422626459 is a wasteful number, since it uses less digits than its factorization.

422626459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2003180.

The product of its digits is 207360, while the sum is 40.

The square root of 422626459 is about 20557.8807030297. The cubic root of 422626459 is about 750.4450448982.

The spelling of 422626459 in words is "four hundred twenty-two million, six hundred twenty-six thousand, four hundred fifty-nine".