190628219 has 2 divisors, whose sum is σ = 190628220. Its totient is φ = 190628218.

The previous prime is 190628203. The next prime is 190628279. The reversal of 190628219 is 912826091.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 190628219 - 2⁴ = 190628203 is a prime.

It is a super-2 number, since 2×190628219² = 72678235758223922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (190628279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95314109 + 95314110.

It is an arithmetic number, because the mean of its divisors is an integer number (95314110).

Almost surely, 2^190628219 is an apocalyptic number.

190628219 is a deficient number, since it is larger than the sum of its proper divisors (1).

190628219 is an equidigital number, since it uses as much as digits as its factorization.

190628219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 38.

The square root of 190628219 is about 13806.8178448186. The cubic root of 190628219 is about 575.5226189862.

The spelling of 190628219 in words is "one hundred ninety million, six hundred twenty-eight thousand, two hundred nineteen".