2268607988 has 6 divisors (see below), whose sum is σ = 3970063986. Its totient is φ = 1134303992.

The previous prime is 2268607987. The next prime is 2268608009. The reversal of 2268607988 is 8897068622.

2268607988 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1892946064 + 375661924 = 43508^2 + 19382^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2268607987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 283575995 + ... + 283576002.

It is an arithmetic number, because the mean of its divisors is an integer number (661677331).

Almost surely, 2^2268607988 is an apocalyptic number.

It is an amenable number.

2268607988 is a deficient number, since it is larger than the sum of its proper divisors (1701455998).

2268607988 is a wasteful number, since it uses less digits than its factorization.

2268607988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567152001 (or 567151999 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 56.

The square root of 2268607988 is about 47629.9064454257. The cubic root of 2268607988 is about 1313.9731342585.

The spelling of 2268607988 in words is "two billion, two hundred sixty-eight million, six hundred seven thousand, nine hundred eighty-eight".