11319228 has 18 divisors (see below), whose sum is σ = 28612584. Its totient is φ = 3773064.

The previous prime is 11319227. The next prime is 11319281. The reversal of 11319228 is 82291311.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11319223) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 157176 + ... + 157247.

It is an arithmetic number, because the mean of its divisors is an integer number (1589588).

Almost surely, 2^11319228 is an apocalyptic number.

11319228 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

11319228 is an abundant number, since it is smaller than the sum of its proper divisors (17293356).

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

11319228 is a wasteful number, since it uses less digits than its factorization.

11319228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314433 (or 314428 counting only the distinct ones).

The product of its digits is 864, while the sum is 27.

The square root of 11319228 is about 3364.4060397045. The cubic root of 11319228 is about 224.5289106506.

The spelling of 11319228 in words is "eleven million, three hundred nineteen thousand, two hundred twenty-eight".