424022543 has 16 divisors (see below), whose sum is σ = 506295360. Its totient is φ = 347424000.

The previous prime is 424022513. The next prime is 424022569. The reversal of 424022543 is 345220424.

It is a happy number.

It is not a de Polignac number, because 424022543 - 2¹² = 424018447 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 (424022513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10163 + ... + 30843.

It is an arithmetic number, because the mean of its divisors is an integer number (31643460).

Almost surely, 2^424022543 is an apocalyptic number.

424022543 is a deficient number, since it is larger than the sum of its proper divisors (82272817).

424022543 is a wasteful number, since it uses less digits than its factorization.

424022543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20818.

The product of its (nonzero) digits is 7680, while the sum is 26.

The square root of 424022543 is about 20591.8076671282. The cubic root of 424022543 is about 751.2704647513.

Adding to 424022543 its reverse (345220424), we get a palindrome (769242967).

The spelling of 424022543 in words is "four hundred twenty-four million, twenty-two thousand, five hundred forty-three".