2270266 has 4 divisors (see below), whose sum is σ = 3405402. Its totient is φ = 1135132.

The previous prime is 2270263. The next prime is 2270267. The reversal of 2270266 is 6620722.

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., 1879641 + 390625 = 1371^2 + 625^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2270266.

It is not an unprimeable number, because it can be changed into a prime (2270263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 567565 + ... + 567568.

2^2270266 is an apocalyptic number.

2270266 is a deficient number, since it is larger than the sum of its proper divisors (1135136).

2270266 is a wasteful number, since it uses less digits than its factorization.

2270266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1135135.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 2270266 is about 1506.7401899465. The cubic root of 2270266 is about 131.4293162034.

Adding to 2270266 its reverse (6620722), we get a palindrome (8890988).

The spelling of 2270266 in words is "two million, two hundred seventy thousand, two hundred sixty-six".