1000223447 has 2 divisors, whose sum is σ = 1000223448. Its totient is φ = 1000223446.

The previous prime is 1000223431. The next prime is 1000223449. The reversal of 1000223447 is 7443220001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1000223447 - 2⁴ = 1000223431 is a prime.

Together with 1000223449, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1000223449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500111723 + 500111724.

It is an arithmetic number, because the mean of its divisors is an integer number (500111724).

Almost surely, 2^1000223447 is an apocalyptic number.

1000223447 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000223447 is an equidigital number, since it uses as much as digits as its factorization.

1000223447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 1000223447 is about 31626.3094116275. The cubic root of 1000223447 is about 1000.0744767864.

Adding to 1000223447 its reverse (7443220001), we get a palindrome (8443443448).

The spelling of 1000223447 in words is "one billion, two hundred twenty-three thousand, four hundred forty-seven".