441322243 has 2 divisors, whose sum is σ = 441322244. Its totient is φ = 441322242.

The previous prime is 441322241. The next prime is 441322247. The reversal of 441322243 is 342223144.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 441322243 - 2¹ = 441322241 is a prime.

Together with 441322241, it forms a pair of twin primes.

It is equal to p_23417152 and since 441322243 and 23417152 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (441322241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220661121 + 220661122.

It is an arithmetic number, because the mean of its divisors is an integer number (220661122).

Almost surely, 2^441322243 is an apocalyptic number.

441322243 is a deficient number, since it is larger than the sum of its proper divisors (1).

441322243 is an equidigital number, since it uses as much as digits as its factorization.

441322243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4608, while the sum is 25.

The square root of 441322243 is about 21007.6710513089. The cubic root of 441322243 is about 761.3516131661.

Adding to 441322243 its reverse (342223144), we get a palindrome (783545387).

Subtracting from 441322243 its reverse (342223144), we obtain a palindrome (99099099).

The spelling of 441322243 in words is "four hundred forty-one million, three hundred twenty-two thousand, two hundred forty-three".