11351228 has 12 divisors (see below), whose sum is σ = 22702512. Its totient is φ = 4864800.

The previous prime is 11351191. The next prime is 11351237. The reversal of 11351228 is 82215311.

It is a happy number.

11351228 is an admirable number.

It is a hoax number, since the sum of its digits (23) 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 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, 202673 + ... + 202728.

It is an arithmetic number, because the mean of its divisors is an integer number (1891876).

Almost surely, 2^11351228 is an apocalyptic number.

It is an amenable number.

11351228 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11351228 is a wasteful number, since it uses less digits than its factorization.

11351228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405412 (or 405410 counting only the distinct ones).

The product of its digits is 480, while the sum is 23.

The square root of 11351228 is about 3369.1583518737. The cubic root of 11351228 is about 224.7402962399.

Adding to 11351228 its reverse (82215311), we get a palindrome (93566539).

The spelling of 11351228 in words is "eleven million, three hundred fifty-one thousand, two hundred twenty-eight".