227779016644 has 27 divisors (see below), whose sum is σ = 404426954253. Its totient is φ = 112252022400.

The previous prime is 227779016617. The next prime is 227779016651. The reversal of 227779016644 is 446610977722.

The square root of 227779016644 is 477262.

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., 170868143044 + 56910873600 = 413362^2 + 238560^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 67769524 + ... + 67772884.

Almost surely, 2^227779016644 is an apocalyptic number.

227779016644 is the 477262-nd square number.

It is an amenable number.

227779016644 is a deficient number, since it is larger than the sum of its proper divisors (176647937609).

227779016644 is an frugal number, since it uses more digits than its factorization.

227779016644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6868 (or 3434 counting only the distinct ones).

The product of its (nonzero) digits is 7112448, while the sum is 55.

The spelling of 227779016644 in words is "two hundred twenty-seven billion, seven hundred seventy-nine million, sixteen thousand, six hundred forty-four".