2271080072 has 8 divisors (see below), whose sum is σ = 4258275150. Its totient is φ = 1135540032.

The previous prime is 2271080069. The next prime is 2271080083. The reversal of 2271080072 is 2700801722.

It can be written as a sum of positive squares in only one way, i.e., 1438988356 + 832091716 = 37934^2 + 28846^2 .

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 (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 141942497 + ... + 141942512.

Almost surely, 2^2271080072 is an apocalyptic number.

It is an amenable number.

2271080072 is a deficient number, since it is larger than the sum of its proper divisors (1987195078).

2271080072 is a wasteful number, since it uses less digits than its factorization.

2271080072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283885015 (or 283885011 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 29.

The square root of 2271080072 is about 47655.8503438980. The cubic root of 2271080072 is about 1314.4502363446.

Adding to 2271080072 its reverse (2700801722), we get a palindrome (4971881794).

The spelling of 2271080072 in words is "two billion, two hundred seventy-one million, eighty thousand, seventy-two".