225020219 has 2 divisors, whose sum is σ = 225020220. Its totient is φ = 225020218.

The previous prime is 225020207. The next prime is 225020261. The reversal of 225020219 is 912020522.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225020219 is a prime.

It is a super-2 number, since 2×225020219² = 101268197917615922, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 225020194 and 225020203.

It is not a weakly prime, because it can be changed into another prime (225020269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112510109 + 112510110.

It is an arithmetic number, because the mean of its divisors is an integer number (112510110).

Almost surely, 2^225020219 is an apocalyptic number.

225020219 is a deficient number, since it is larger than the sum of its proper divisors (1).

225020219 is an equidigital number, since it uses as much as digits as its factorization.

225020219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 225020219 is about 15000.6739515263. The cubic root of 225020219 is about 608.2384176846.

The spelling of 225020219 in words is "two hundred twenty-five million, twenty thousand, two hundred nineteen".