224273389 has 4 divisors (see below), whose sum is σ = 224419356. Its totient is φ = 224127424.

The previous prime is 224273381. The next prime is 224273411. The reversal of 224273389 is 983372422.

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 14516100 + 209757289 = 3810^2 + 14483^2 .

It is a cyclic number.

It is not a de Polignac number, because 224273389 - 2³ = 224273381 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 (224273381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70654 + ... + 73759.

It is an arithmetic number, because the mean of its divisors is an integer number (56104839).

Almost surely, 2^224273389 is an apocalyptic number.

It is an amenable number.

224273389 is a deficient number, since it is larger than the sum of its proper divisors (145967).

224273389 is a wasteful number, since it uses less digits than its factorization.

224273389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145966.

The product of its digits is 145152, while the sum is 40.

The square root of 224273389 is about 14975.7600474901. The cubic root of 224273389 is about 607.5647683377.

The spelling of 224273389 in words is "two hundred twenty-four million, two hundred seventy-three thousand, three hundred eighty-nine".