224799949 has 4 divisors (see below), whose sum is σ = 245236320. Its totient is φ = 204363580.

The previous prime is 224799947. The next prime is 224799989. The reversal of 224799949 is 949997422.

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 224799949 - 2¹ = 224799947 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 224799949.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224799943) 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, 10218169 + ... + 10218190.

It is an arithmetic number, because the mean of its divisors is an integer number (61309080).

Almost surely, 2^224799949 is an apocalyptic number.

It is an amenable number.

224799949 is a deficient number, since it is larger than the sum of its proper divisors (20436371).

224799949 is a wasteful number, since it uses less digits than its factorization.

224799949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20436370.

The product of its digits is 2939328, while the sum is 55.

The square root of 224799949 is about 14993.3301504369. The cubic root of 224799949 is about 608.0398867603.

The spelling of 224799949 in words is "two hundred twenty-four million, seven hundred ninety-nine thousand, nine hundred forty-nine".