224450432644 has 9 divisors (see below), whose sum is σ = 392789915301. Its totient is φ = 112224742560.

The previous prime is 224450432561. The next prime is 224450432663. The reversal of 224450432644 is 446234054422.

The square root of 224450432644 is 473762.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 138859079044 + 85591353600 = 372638^2 + 292560^2 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 224450432597 and 224450432606.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 829084 + ... + 1065964.

Almost surely, 2^224450432644 is an apocalyptic number.

224450432644 is the 473762-nd square number.

It is an amenable number.

224450432644 is a deficient number, since it is larger than the sum of its proper divisors (168339482657).

224450432644 is an frugal number, since it uses more digits than its factorization.

224450432644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473766 (or 236883 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 40.

The spelling of 224450432644 in words is "two hundred twenty-four billion, four hundred fifty million, four hundred thirty-two thousand, six hundred forty-four".