224545639 has 8 divisors (see below), whose sum is σ = 239271408. Its totient is φ = 209988480.

The previous prime is 224545621. The next prime is 224545669. The reversal of 224545639 is 936545422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 224545639 - 2⁷ = 224545511 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 (224545669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39397 + ... + 44734.

It is an arithmetic number, because the mean of its divisors is an integer number (29908926).

Almost surely, 2^224545639 is an apocalyptic number.

224545639 is a deficient number, since it is larger than the sum of its proper divisors (14725769).

224545639 is a wasteful number, since it uses less digits than its factorization.

224545639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84305.

The product of its digits is 259200, while the sum is 40.

The square root of 224545639 is about 14984.8469795324. The cubic root of 224545639 is about 607.8105139768.

The spelling of 224545639 in words is "two hundred twenty-four million, five hundred forty-five thousand, six hundred thirty-nine".