224871513 has 4 divisors (see below), whose sum is σ = 299828688. Its totient is φ = 149914340.

The previous prime is 224871503. The next prime is 224871541. The reversal of 224871513 is 315178422.

224871513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 224871513 - 2¹⁴ = 224855129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (224871503) 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, 37478583 + ... + 37478588.

It is an arithmetic number, because the mean of its divisors is an integer number (74957172).

Almost surely, 2^224871513 is an apocalyptic number.

It is an amenable number.

224871513 is a deficient number, since it is larger than the sum of its proper divisors (74957175).

224871513 is an equidigital number, since it uses as much as digits as its factorization.

224871513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74957174.

The product of its digits is 13440, while the sum is 33.

The square root of 224871513 is about 14995.7164883843. The cubic root of 224871513 is about 608.1044021216.

The spelling of 224871513 in words is "two hundred twenty-four million, eight hundred seventy-one thousand, five hundred thirteen".