224013919 has 2 divisors, whose sum is σ = 224013920. Its totient is φ = 224013918.

The previous prime is 224013917. The next prime is 224013941. The reversal of 224013919 is 919310422.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 224013919 - 2¹ = 224013917 is a prime.

It is a super-2 number, since 2×224013919² = 100364471811477122, which contains 22 as substring.

Together with 224013917, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (224013917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112006959 + 112006960.

It is an arithmetic number, because the mean of its divisors is an integer number (112006960).

Almost surely, 2^224013919 is an apocalyptic number.

224013919 is a deficient number, since it is larger than the sum of its proper divisors (1).

224013919 is an equidigital number, since it uses as much as digits as its factorization.

224013919 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 224013919 is about 14967.0945410257. The cubic root of 224013919 is about 607.3303733652.

The spelling of 224013919 in words is "two hundred twenty-four million, thirteen thousand, nine hundred nineteen".