224004666644 has 24 divisors (see below), whose sum is σ = 427662042528. Its totient is φ = 101816310240.

The previous prime is 224004666637. The next prime is 224004666689. The reversal of 224004666644 is 446666400422.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 224004666595 and 224004666604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1235759 + ... + 1405385.

It is an arithmetic number, because the mean of its divisors is an integer number (17819251772).

Almost surely, 2^224004666644 is an apocalyptic number.

It is an amenable number.

224004666644 is a deficient number, since it is larger than the sum of its proper divisors (203657375884).

224004666644 is a wasteful number, since it uses less digits than its factorization.

224004666644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199655 (or 199653 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 44.

The spelling of 224004666644 in words is "two hundred twenty-four billion, four million, six hundred sixty-six thousand, six hundred forty-four".