228441419 has 2 divisors, whose sum is σ = 228441420. Its totient is φ = 228441418.

The previous prime is 228441379. The next prime is 228441443. The reversal of 228441419 is 914144822.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-228441419 is a prime.

It is a super-2 number, since 2×228441419² = 104370963829467122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (228441319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114220709 + 114220710.

It is an arithmetic number, because the mean of its divisors is an integer number (114220710).

Almost surely, 2^228441419 is an apocalyptic number.

228441419 is a deficient number, since it is larger than the sum of its proper divisors (1).

228441419 is an equidigital number, since it uses as much as digits as its factorization.

228441419 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18432, while the sum is 35.

The square root of 228441419 is about 15114.2786463662. The cubic root of 228441419 is about 611.3054716351.

The spelling of 228441419 in words is "two hundred twenty-eight million, four hundred forty-one thousand, four hundred nineteen".