2150266 has 4 divisors (see below), whose sum is σ = 3225402. Its totient is φ = 1075132.

The previous prime is 2150227. The next prime is 2150273. The reversal of 2150266 is 6620512.

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., 1476225 + 674041 = 1215^2 + 821^2 .

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 an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 537565 + ... + 537568.

2^2150266 is an apocalyptic number.

2150266 is a deficient number, since it is larger than the sum of its proper divisors (1075136).

2150266 is a wasteful number, since it uses less digits than its factorization.

2150266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1075135.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 2150266 is about 1466.3785323033. The cubic root of 2150266 is about 129.0716105816.

Adding to 2150266 its reverse (6620512), we get a palindrome (8770778).

The spelling of 2150266 in words is "two million, one hundred fifty thousand, two hundred sixty-six".