422416543 has 4 divisors (see below), whose sum is σ = 422473968. Its totient is φ = 422359120.

The previous prime is 422416541. The next prime is 422416549. The reversal of 422416543 is 345614224.

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 422416543 - 2¹ = 422416541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422416541) 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, 15718 + ... + 33043.

It is an arithmetic number, because the mean of its divisors is an integer number (105618492).

Almost surely, 2^422416543 is an apocalyptic number.

422416543 is a deficient number, since it is larger than the sum of its proper divisors (57425).

422416543 is an equidigital number, since it uses as much as digits as its factorization.

422416543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57424.

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

The square root of 422416543 is about 20552.7745815498. The cubic root of 422416543 is about 750.3207771535.

It can be divided in two parts, 42241 and 6543, that added together give a palindrome (48784).

The spelling of 422416543 in words is "four hundred twenty-two million, four hundred sixteen thousand, five hundred forty-three".