2162102266 has 4 divisors (see below), whose sum is σ = 3243153402. Its totient is φ = 1081051132.

The previous prime is 2162102263. The next prime is 2162102269. The reversal of 2162102266 is 6622012612.

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

It is an interprime number because it is at equal distance from previous prime (2162102263) and next prime (2162102269).

It can be written as a sum of positive squares in only one way, i.e., 1589696641 + 572405625 = 39871^2 + 23925^2 .

It is not an unprimeable number, because it can be changed into a prime (2162102263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 540525565 + ... + 540525568.

Almost surely, 2^2162102266 is an apocalyptic number.

2162102266 is a deficient number, since it is larger than the sum of its proper divisors (1081051136).

2162102266 is a wasteful number, since it uses less digits than its factorization.

2162102266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1081051135.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 2162102266 is about 46498.4114352308. The cubic root of 2162102266 is about 1293.0800479278.

Adding to 2162102266 its reverse (6622012612), we get a palindrome (8784114878).

The spelling of 2162102266 in words is "two billion, one hundred sixty-two million, one hundred two thousand, two hundred sixty-six".