224074857 has 4 divisors (see below), whose sum is σ = 298766480. Its totient is φ = 149383236.

The previous prime is 224074853. The next prime is 224074859. The reversal of 224074857 is 758470422.

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 not a de Polignac number, because 224074857 - 2² = 224074853 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (224074853) 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, 37345807 + ... + 37345812.

It is an arithmetic number, because the mean of its divisors is an integer number (74691620).

Almost surely, 2^224074857 is an apocalyptic number.

It is an amenable number.

224074857 is a deficient number, since it is larger than the sum of its proper divisors (74691623).

224074857 is an equidigital number, since it uses as much as digits as its factorization.

224074857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74691622.

The product of its (nonzero) digits is 125440, while the sum is 39.

The square root of 224074857 is about 14969.1301350479. The cubic root of 224074857 is about 607.3854386086.

The spelling of 224074857 in words is "two hundred twenty-four million, seventy-four thousand, eight hundred fifty-seven".