224439693 has 4 divisors (see below), whose sum is σ = 299252928. Its totient is φ = 149626460.

The previous prime is 224439689. The next prime is 224439701. The reversal of 224439693 is 396934422.

224439693 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 224439693 - 2² = 224439689 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224439623) 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, 37406613 + ... + 37406618.

It is an arithmetic number, because the mean of its divisors is an integer number (74813232).

Almost surely, 2^224439693 is an apocalyptic number.

It is an amenable number.

224439693 is a deficient number, since it is larger than the sum of its proper divisors (74813235).

224439693 is an equidigital number, since it uses as much as digits as its factorization.

224439693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74813234.

The product of its digits is 279936, while the sum is 42.

The square root of 224439693 is about 14981.3114579465. The cubic root of 224439693 is about 607.7149057620.

The spelling of 224439693 in words is "two hundred twenty-four million, four hundred thirty-nine thousand, six hundred ninety-three".