628832219 has 2 divisors, whose sum is σ = 628832220. Its totient is φ = 628832218.

The previous prime is 628832177. The next prime is 628832263. The reversal of 628832219 is 912238826.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 628832219 - 2⁸ = 628831963 is a prime.

It is a super-2 number, since 2×628832219² = 790859919304927922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (628832119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 314416109 + 314416110.

It is an arithmetic number, because the mean of its divisors is an integer number (314416110).

Almost surely, 2^628832219 is an apocalyptic number.

628832219 is a deficient number, since it is larger than the sum of its proper divisors (1).

628832219 is an equidigital number, since it uses as much as digits as its factorization.

628832219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 82944, while the sum is 41.

The square root of 628832219 is about 25076.5272515953. The cubic root of 628832219 is about 856.7318811771.

The spelling of 628832219 in words is "six hundred twenty-eight million, eight hundred thirty-two thousand, two hundred nineteen".