2275021066 has 4 divisors (see below), whose sum is σ = 3412531602. Its totient is φ = 1137510532.

The previous prime is 2275021051. The next prime is 2275021097. The reversal of 2275021066 is 6601205722.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1137645441 + 1137375625 = 33729^2 + 33725^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 568755265 + ... + 568755268.

Almost surely, 2^2275021066 is an apocalyptic number.

2275021066 is a deficient number, since it is larger than the sum of its proper divisors (1137510536).

2275021066 is a wasteful number, since it uses less digits than its factorization.

2275021066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1137510535.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 2275021066 is about 47697.1809020198. The cubic root of 2275021066 is about 1315.2101166366.

Adding to 2275021066 its reverse (6601205722), we get a palindrome (8876226788).

The spelling of 2275021066 in words is "two billion, two hundred seventy-five million, twenty-one thousand, sixty-six".