442233343 has 4 divisors (see below), whose sum is σ = 448291408. Its totient is φ = 436175280.

The previous prime is 442233331. The next prime is 442233349. The reversal of 442233343 is 343332244.

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 442233343 - 2¹³ = 442225151 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 (442233349) 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, 3028923 + ... + 3029068.

It is an arithmetic number, because the mean of its divisors is an integer number (112072852).

Almost surely, 2^442233343 is an apocalyptic number.

442233343 is a deficient number, since it is larger than the sum of its proper divisors (6058065).

442233343 is an equidigital number, since it uses as much as digits as its factorization.

442233343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6058064.

The product of its digits is 20736, while the sum is 28.

The square root of 442233343 is about 21029.3448067219. The cubic root of 442233343 is about 761.8751842141.

Adding to 442233343 its reverse (343332244), we get a palindrome (785565587).

The spelling of 442233343 in words is "four hundred forty-two million, two hundred thirty-three thousand, three hundred forty-three".