224006665445 has 8 divisors (see below), whose sum is σ = 268819885944. Its totient is φ = 179197407424.

The previous prime is 224006665439. The next prime is 224006665459. The reversal of 224006665445 is 544566600422.

It can be written as a sum of positive squares in 4 ways, for example, as 139647205636 + 84359459809 = 373694^2 + 290447^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 224006665445 - 2⁴ = 224006665429 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 224006665396 and 224006665405.

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, 864794 + ... + 1093563.

It is an arithmetic number, because the mean of its divisors is an integer number (33602485743).

Almost surely, 2^224006665445 is an apocalyptic number.

It is an amenable number.

224006665445 is a deficient number, since it is larger than the sum of its proper divisors (44813220499).

224006665445 is a wasteful number, since it uses less digits than its factorization.

224006665445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1981239.

The product of its (nonzero) digits is 1382400, while the sum is 44.

The spelling of 224006665445 in words is "two hundred twenty-four billion, six million, six hundred sixty-five thousand, four hundred forty-five".