224888819 has 2 divisors, whose sum is σ = 224888820. Its totient is φ = 224888818.

The previous prime is 224888809. The next prime is 224888827. The reversal of 224888819 is 918888422.

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-224888819 is a prime.

It is a super-2 number, since 2×224888819² = 101149961822429522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (224888809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112444409 + 112444410.

It is an arithmetic number, because the mean of its divisors is an integer number (112444410).

Almost surely, 2^224888819 is an apocalyptic number.

224888819 is a deficient number, since it is larger than the sum of its proper divisors (1).

224888819 is an equidigital number, since it uses as much as digits as its factorization.

224888819 is an evil number, because the sum of its binary digits is even.

The product of its digits is 589824, while the sum is 50.

The square root of 224888819 is about 14996.2935087307. The cubic root of 224888819 is about 608.1200015257.

The spelling of 224888819 in words is "two hundred twenty-four million, eight hundred eighty-eight thousand, eight hundred nineteen".