224542819 has 2 divisors, whose sum is σ = 224542820. Its totient is φ = 224542818.

The previous prime is 224542807. The next prime is 224542831. The reversal of 224542819 is 918245422.

It is a balanced prime because it is at equal distance from previous prime (224542807) and next prime (224542831).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-224542819 is a prime.

It is a super-2 number, since 2×224542819² = 100838955128933522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (224540819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112271409 + 112271410.

It is an arithmetic number, because the mean of its divisors is an integer number (112271410).

Almost surely, 2^224542819 is an apocalyptic number.

224542819 is a deficient number, since it is larger than the sum of its proper divisors (1).

224542819 is an equidigital number, since it uses as much as digits as its factorization.

224542819 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46080, while the sum is 37.

The square root of 224542819 is about 14984.7528841820. The cubic root of 224542819 is about 607.8079695307.

The spelling of 224542819 in words is "two hundred twenty-four million, five hundred forty-two thousand, eight hundred nineteen".