11228995 has 4 divisors (see below), whose sum is σ = 13474800. Its totient is φ = 8983192.

The previous prime is 11228983. The next prime is 11229007. The reversal of 11228995 is 59982211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 59982211 = 919 ⋅65269.

It is an interprime number because it is at equal distance from previous prime (11228983) and next prime (11229007).

It is a cyclic number.

It is not a de Polignac number, because 11228995 - 2⁵ = 11228963 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1122895 + ... + 1122904.

It is an arithmetic number, because the mean of its divisors is an integer number (3368700).

Almost surely, 2^11228995 is an apocalyptic number.

11228995 is a deficient number, since it is larger than the sum of its proper divisors (2245805).

11228995 is an equidigital number, since it uses as much as digits as its factorization.

11228995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2245804.

The product of its digits is 12960, while the sum is 37.

The square root of 11228995 is about 3350.9692627656. The cubic root of 11228995 is about 223.9306957687.

The spelling of 11228995 in words is "eleven million, two hundred twenty-eight thousand, nine hundred ninety-five".