225890419 has 2 divisors, whose sum is σ = 225890420. Its totient is φ = 225890418.

The previous prime is 225890417. The next prime is 225890447. The reversal of 225890419 is 914098522.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 225890419 - 2¹ = 225890417 is a prime.

It is a super-2 number, since 2×225890419² = 102052962791991122, which contains 22 as substring.

Together with 225890417, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (225890417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112945209 + 112945210.

It is an arithmetic number, because the mean of its divisors is an integer number (112945210).

Almost surely, 2^225890419 is an apocalyptic number.

225890419 is a deficient number, since it is larger than the sum of its proper divisors (1).

225890419 is an equidigital number, since it uses as much as digits as its factorization.

225890419 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 225890419 is about 15029.6513266276. The cubic root of 225890419 is about 609.0214706404.

The spelling of 225890419 in words is "two hundred twenty-five million, eight hundred ninety thousand, four hundred nineteen".