224421549 has 8 divisors (see below), whose sum is σ = 326431392. Its totient is φ = 136013040.

The previous prime is 224421487. The next prime is 224421553. The reversal of 224421549 is 945124422.

It is a happy number.

224421549 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 224421549 - 2⁹ = 224421037 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 6800653 = 224421549 / (2 + 2 + 4 + 4 + 2 + 1 + 5 + 4 + 9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224421149) 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, 3400294 + ... + 3400359.

It is an arithmetic number, because the mean of its divisors is an integer number (40803924).

Almost surely, 2^224421549 is an apocalyptic number.

It is an amenable number.

224421549 is a deficient number, since it is larger than the sum of its proper divisors (102009843).

224421549 is a wasteful number, since it uses less digits than its factorization.

224421549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6800667.

The product of its digits is 23040, while the sum is 33.

The square root of 224421549 is about 14980.7058912456. The cubic root of 224421549 is about 607.6985291632.

The spelling of 224421549 in words is "two hundred twenty-four million, four hundred twenty-one thousand, five hundred forty-nine".