424204442 has 4 divisors (see below), whose sum is σ = 636306666. Its totient is φ = 212102220.

The previous prime is 424204441. The next prime is 424204447. The reversal of 424204442 is 244402424.

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

It can be written as a sum of positive squares in only one way, i.e., 357928561 + 66275881 = 18919^2 + 8141^2 .

It is a super-2 number, since 2×424204442² = 359898817225062728, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (424204441) 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 as a sum of consecutive naturals, namely, 106051109 + ... + 106051112.

Almost surely, 2^424204442 is an apocalyptic number.

424204442 is a deficient number, since it is larger than the sum of its proper divisors (212102224).

424204442 is a wasteful number, since it uses less digits than its factorization.

424204442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212102223.

The product of its (nonzero) digits is 8192, while the sum is 26.

The square root of 424204442 is about 20596.2239743114. The cubic root of 424204442 is about 751.3778771300.

Adding to 424204442 its reverse (244402424), we get a palindrome (668606866).

The spelling of 424204442 in words is "four hundred twenty-four million, two hundred four thousand, four hundred forty-two".