224671493 has 4 divisors (see below), whose sum is σ = 225835788. Its totient is φ = 223507200.

The previous prime is 224671487. The next prime is 224671501. The reversal of 224671493 is 394176422.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 394176422 = 2 ⋅197088211.

It can be written as a sum of positive squares in 2 ways, for example, as 122722084 + 101949409 = 11078^2 + 10097^2 .

It is a cyclic number.

It is not a de Polignac number, because 224671493 - 2¹⁰ = 224670469 is a prime.

It is a super-3 number, since 3×224671493³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224671423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 581858 + ... + 582243.

It is an arithmetic number, because the mean of its divisors is an integer number (56458947).

Almost surely, 2^224671493 is an apocalyptic number.

It is an amenable number.

224671493 is a deficient number, since it is larger than the sum of its proper divisors (1164295).

224671493 is a wasteful number, since it uses less digits than its factorization.

224671493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1164294.

The product of its digits is 72576, while the sum is 38.

The square root of 224671493 is about 14989.0457668259. The cubic root of 224671493 is about 607.9240485761.

The spelling of 224671493 in words is "two hundred twenty-four million, six hundred seventy-one thousand, four hundred ninety-three".