11228870 has 8 divisors (see below), whose sum is σ = 20211984. Its totient is φ = 4491544.

The previous prime is 11228869. The next prime is 11228873. The reversal of 11228870 is 7882211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11228873) by changing a digit.

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, 561434 + ... + 561453.

It is an arithmetic number, because the mean of its divisors is an integer number (2526498).

Almost surely, 2^11228870 is an apocalyptic number.

11228870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11228870 is a deficient number, since it is larger than the sum of its proper divisors (8983114).

11228870 is a wasteful number, since it uses less digits than its factorization.

11228870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1122894.

The product of its (nonzero) digits is 1792, while the sum is 29.

The square root of 11228870 is about 3350.9506113937. The cubic root of 11228870 is about 223.9298648412.

It can be divided in two parts, 112 and 28870, that added together give a palindrome (28982).

The spelling of 11228870 in words is "eleven million, two hundred twenty-eight thousand, eight hundred seventy".