224019 has 8 divisors (see below), whose sum is σ = 331920. Its totient is φ = 149328.

The previous prime is 224011. The next prime is 224027. The reversal of 224019 is 910422.

It is an interprime number because it is at equal distance from previous prime (224011) and next prime (224027).

It is not a de Polignac number, because 224019 - 2³ = 224011 is a prime.

It is a super-2 number, since 2×224019² = 100369024722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 223992 and 224010.

It is not an unprimeable number, because it can be changed into a prime (224011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4122 + ... + 4175.

It is an arithmetic number, because the mean of its divisors is an integer number (41490).

2²²⁴⁰¹⁹ is an apocalyptic number.

224019 is a deficient number, since it is larger than the sum of its proper divisors (107901).

224019 is an equidigital number, since it uses as much as digits as its factorization.

224019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8306 (or 8300 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 224019 is about 473.3064546359. The cubic root of 224019 is about 60.7334965077.

The spelling of 224019 in words is "two hundred twenty-four thousand, nineteen".