224444866649 has 16 divisors (see below), whose sum is σ = 240885954432. Its totient is φ = 208577685888.

The previous prime is 224444866643. The next prime is 224444866687. The reversal of 224444866649 is 946668444422.

It is a cyclic number.

It is not a de Polignac number, because 224444866649 - 2³² = 220149899353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (224444866643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 388157 + ... + 774309.

It is an arithmetic number, because the mean of its divisors is an integer number (15055372152).

Almost surely, 2^224444866649 is an apocalyptic number.

It is an amenable number.

224444866649 is a deficient number, since it is larger than the sum of its proper divisors (16441087783).

224444866649 is a wasteful number, since it uses less digits than its factorization.

224444866649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386896.

The product of its digits is 63700992, while the sum is 59.

The spelling of 224444866649 in words is "two hundred twenty-four billion, four hundred forty-four million, eight hundred sixty-six thousand, six hundred forty-nine".