224147893 has 4 divisors (see below), whose sum is σ = 224189100. Its totient is φ = 224106688.

The previous prime is 224147867. The next prime is 224147899. The reversal of 224147893 is 398741422.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 149377284 + 74770609 = 12222^2 + 8647^2 .

It is a cyclic number.

It is not a de Polignac number, because 224147893 - 2¹³ = 224139701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224147899) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10930 + ... + 23827.

It is an arithmetic number, because the mean of its divisors is an integer number (56047275).

Almost surely, 2^224147893 is an apocalyptic number.

It is an amenable number.

224147893 is a deficient number, since it is larger than the sum of its proper divisors (41207).

224147893 is an equidigital number, since it uses as much as digits as its factorization.

224147893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41206.

The product of its digits is 96768, while the sum is 40.

The square root of 224147893 is about 14971.5694902038. The cubic root of 224147893 is about 607.4514227840.

The spelling of 224147893 in words is "two hundred twenty-four million, one hundred forty-seven thousand, eight hundred ninety-three".