843225107 has 2 divisors, whose sum is σ = 843225108. Its totient is φ = 843225106.

The previous prime is 843225091. The next prime is 843225113. The reversal of 843225107 is 701522348.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 843225107 - 2⁴ = 843225091 is a prime.

It is a super-2 number, since 2×843225107² = 1422057162150322898, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (843225127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 421612553 + 421612554.

It is an arithmetic number, because the mean of its divisors is an integer number (421612554).

Almost surely, 2^843225107 is an apocalyptic number.

843225107 is a deficient number, since it is larger than the sum of its proper divisors (1).

843225107 is an equidigital number, since it uses as much as digits as its factorization.

843225107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 843225107 is about 29038.3385716194. The cubic root of 843225107 is about 944.7447989997.

The spelling of 843225107 in words is "eight hundred forty-three million, two hundred twenty-five thousand, one hundred seven".