442232443 has 2 divisors, whose sum is σ = 442232444. Its totient is φ = 442232442.

The previous prime is 442232411. The next prime is 442232459. The reversal of 442232443 is 344232244.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 442232443 - 2⁵ = 442232411 is a prime.

It is not a weakly prime, because it can be changed into another prime (442232743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221116221 + 221116222.

It is an arithmetic number, because the mean of its divisors is an integer number (221116222).

Almost surely, 2^442232443 is an apocalyptic number.

442232443 is a deficient number, since it is larger than the sum of its proper divisors (1).

442232443 is an equidigital number, since it uses as much as digits as its factorization.

442232443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18432, while the sum is 28.

The square root of 442232443 is about 21029.3234080414. The cubic root of 442232443 is about 761.8746673767.

Adding to 442232443 its reverse (344232244), we get a palindrome (786464687).

The spelling of 442232443 in words is "four hundred forty-two million, two hundred thirty-two thousand, four hundred forty-three".