11402266 has 4 divisors (see below), whose sum is σ = 17103402. Its totient is φ = 5701132.

The previous prime is 11402263. The next prime is 11402311. The reversal of 11402266 is 66220411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66220411 = 2657 ⋅24923.

It can be written as a sum of positive squares in only one way, i.e., 5978025 + 5424241 = 2445^2 + 2329^2 .

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 (11402263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2850565 + ... + 2850568.

Almost surely, 2^11402266 is an apocalyptic number.

11402266 is a deficient number, since it is larger than the sum of its proper divisors (5701136).

11402266 is an equidigital number, since it uses as much as digits as its factorization.

11402266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5701135.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 11402266 is about 3376.7241521925. The cubic root of 11402266 is about 225.0766224634.

Adding to 11402266 its reverse (66220411), we get a palindrome (77622677).

The spelling of 11402266 in words is "eleven million, four hundred two thousand, two hundred sixty-six".