422456539 has 4 divisors (see below), whose sum is σ = 431445024. Its totient is φ = 413468056.

The previous prime is 422456533. The next prime is 422456549. The reversal of 422456539 is 935654224.

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-422456539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422456533) 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, 4494172 + ... + 4494265.

It is an arithmetic number, because the mean of its divisors is an integer number (107861256).

Almost surely, 2^422456539 is an apocalyptic number.

422456539 is a deficient number, since it is larger than the sum of its proper divisors (8988485).

422456539 is an equidigital number, since it uses as much as digits as its factorization.

422456539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8988484.

The product of its digits is 259200, while the sum is 40.

The square root of 422456539 is about 20553.7475658333. The cubic root of 422456539 is about 750.3444574782.

It can be divided in two parts, 42245 and 6539, that added together give a palindrome (48784).

The spelling of 422456539 in words is "four hundred twenty-two million, four hundred fifty-six thousand, five hundred thirty-nine".