224918349 has 4 divisors (see below), whose sum is σ = 299891136. Its totient is φ = 149945564.

The previous prime is 224918341. The next prime is 224918401. The reversal of 224918349 is 943819422.

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 224918349 - 2³ = 224918341 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 224918349.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224918341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37486389 + ... + 37486394.

It is an arithmetic number, because the mean of its divisors is an integer number (74972784).

Almost surely, 2^224918349 is an apocalyptic number.

It is an amenable number.

224918349 is a deficient number, since it is larger than the sum of its proper divisors (74972787).

224918349 is an equidigital number, since it uses as much as digits as its factorization.

224918349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74972786.

The product of its digits is 124416, while the sum is 42.

The square root of 224918349 is about 14997.2780530335. The cubic root of 224918349 is about 608.1466176373.

The spelling of 224918349 in words is "two hundred twenty-four million, nine hundred eighteen thousand, three hundred forty-nine".