8555223044 has 6 divisors (see below), whose sum is σ = 14971640334. Its totient is φ = 4277611520.

The previous prime is 8555223041. The next prime is 8555223143. The reversal of 8555223044 is 4403225558.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 7473602500 + 1081620544 = 86450^2 + 32888^2 .

It is a junction number, because it is equal to n+sod(n) for n = 8555222989 and 8555223007.

It is not an unprimeable number, because it can be changed into a prime (8555223041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1069402877 + ... + 1069402884.

It is an arithmetic number, because the mean of its divisors is an integer number (2495273389).

Almost surely, 2^8555223044 is an apocalyptic number.

It is an amenable number.

8555223044 is a deficient number, since it is larger than the sum of its proper divisors (6416417290).

8555223044 is a wasteful number, since it uses less digits than its factorization.

8555223044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2138805765 (or 2138805763 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 38.

The square root of 8555223044 is about 92494.4487199097. The cubic root of 8555223044 is about 2045.2376498226.

The spelling of 8555223044 in words is "eight billion, five hundred fifty-five million, two hundred twenty-three thousand, forty-four".