2132266 has 4 divisors (see below), whose sum is σ = 3198402. Its totient is φ = 1066132.

The previous prime is 2132239. The next prime is 2132267. The reversal of 2132266 is 6622312.

It is a happy number.

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., 1766241 + 366025 = 1329^2 + 605^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (2132267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 533065 + ... + 533068.

2^2132266 is an apocalyptic number.

2132266 is a deficient number, since it is larger than the sum of its proper divisors (1066136).

2132266 is a wasteful number, since it uses less digits than its factorization.

2132266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1066135.

The product of its digits is 864, while the sum is 22.

The square root of 2132266 is about 1460.2280643790. The cubic root of 2132266 is about 128.7104456368.

Adding to 2132266 its reverse (6622312), we get a palindrome (8754578).

The spelling of 2132266 in words is "two million, one hundred thirty-two thousand, two hundred sixty-six".