224146949 has 4 divisors (see below), whose sum is σ = 241389036. Its totient is φ = 206904864.

The previous prime is 224146939. The next prime is 224146963. The reversal of 224146949 is 949641422.

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 20884900 + 203262049 = 4570^2 + 14257^2 .

It is a cyclic number.

It is not a de Polignac number, because 224146949 - 2⁸ = 224146693 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 (224146939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8621024 + ... + 8621049.

It is an arithmetic number, because the mean of its divisors is an integer number (60347259).

Almost surely, 2^224146949 is an apocalyptic number.

It is an amenable number.

224146949 is a deficient number, since it is larger than the sum of its proper divisors (17242087).

224146949 is a wasteful number, since it uses less digits than its factorization.

224146949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17242086.

The product of its digits is 124416, while the sum is 41.

The square root of 224146949 is about 14971.5379637497. The cubic root of 224146949 is about 607.4505700212.

The spelling of 224146949 in words is "two hundred twenty-four million, one hundred forty-six thousand, nine hundred forty-nine".