2228558056 has 8 divisors (see below), whose sum is σ = 4178546370. Its totient is φ = 1114279024.

The previous prime is 2228558047. The next prime is 2228558107. The reversal of 2228558056 is 6508558222.

It can be written as a sum of positive squares in only one way, i.e., 2205805156 + 22752900 = 46966^2 + 4770^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 139284871 + ... + 139284886.

Almost surely, 2^2228558056 is an apocalyptic number.

It is an amenable number.

2228558056 is a deficient number, since it is larger than the sum of its proper divisors (1949988314).

2228558056 is a wasteful number, since it uses less digits than its factorization.

2228558056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278569763 (or 278569759 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 43.

The square root of 2228558056 is about 47207.6059126069. The cubic root of 2228558056 is about 1306.1949011320.

The spelling of 2228558056 in words is "two billion, two hundred twenty-eight million, five hundred fifty-eight thousand, fifty-six".