11966228 has 12 divisors (see below), whose sum is σ = 21176820. Its totient is φ = 5915712.

The previous prime is 11966197. The next prime is 11966239. The reversal of 11966228 is 82266911.

11966228 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2553604 + 9412624 = 1598^2 + 3068^2 .

It is a super-2 number, since 2×11966228² = 286381225095968, which contains 22 as substring.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16451 + ... + 17162.

It is an arithmetic number, because the mean of its divisors is an integer number (1764735).

Almost surely, 2^11966228 is an apocalyptic number.

It is an amenable number.

11966228 is a deficient number, since it is larger than the sum of its proper divisors (9210592).

11966228 is a wasteful number, since it uses less digits than its factorization.

11966228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33706 (or 33704 counting only the distinct ones).

The product of its digits is 10368, while the sum is 35.

The square root of 11966228 is about 3459.2236123153. The cubic root of 11966228 is about 228.7278728833.

The spelling of 11966228 in words is "eleven million, nine hundred sixty-six thousand, two hundred twenty-eight".