224012019 has 48 divisors (see below), whose sum is σ = 391620096. Its totient is φ = 111281280.

The previous prime is 224012003. The next prime is 224012027. The reversal of 224012019 is 910210422.

It is not a de Polignac number, because 224012019 - 2⁴ = 224012003 is a prime.

It is a super-2 number, since 2×224012019² = 100362769312912722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 224011986 and 224012004.

It is not an unprimeable number, because it can be changed into a prime (224012039) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 56527 + ... + 60359.

It is an arithmetic number, because the mean of its divisors is an integer number (8158752).

Almost surely, 2^224012019 is an apocalyptic number.

224012019 is a deficient number, since it is larger than the sum of its proper divisors (167608077).

224012019 is a wasteful number, since it uses less digits than its factorization.

224012019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3888 (or 3877 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 224012019 is about 14967.0310683181. The cubic root of 224012019 is about 607.3286563127.

The spelling of 224012019 in words is "two hundred twenty-four million, twelve thousand, nineteen".