424223533 has 4 divisors (see below), whose sum is σ = 428423868. Its totient is φ = 420023200.

The previous prime is 424223521. The next prime is 424223539. The reversal of 424223533 is 335322424.

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

It can be written as a sum of positive squares in 2 ways, for example, as 416282409 + 7941124 = 20403^2 + 2818^2 .

It is a cyclic number.

It is not a de Polignac number, because 424223533 - 2⁹ = 424223021 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 (424223539) 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, 2100016 + ... + 2100217.

It is an arithmetic number, because the mean of its divisors is an integer number (107105967).

Almost surely, 2^424223533 is an apocalyptic number.

It is an amenable number.

424223533 is a deficient number, since it is larger than the sum of its proper divisors (4200335).

424223533 is a wasteful number, since it uses less digits than its factorization.

424223533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4200334.

The product of its digits is 17280, while the sum is 28.

The square root of 424223533 is about 20596.6874278365. The cubic root of 424223533 is about 751.3891486919.

Adding to 424223533 its reverse (335322424), we get a palindrome (759545957).

The spelling of 424223533 in words is "four hundred twenty-four million, two hundred twenty-three thousand, five hundred thirty-three".