11228715 has 48 divisors (see below), whose sum is σ = 21415680. Its totient is φ = 5417280.

The previous prime is 11228689. The next prime is 11228743. The reversal of 11228715 is 51782211.

It is not a de Polignac number, because 11228715 - 2⁵ = 11228683 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 47 ways as a sum of consecutive naturals, for example, 19380 + ... + 19950.

It is an arithmetic number, because the mean of its divisors is an integer number (446160).

Almost surely, 2^11228715 is an apocalyptic number.

11228715 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11228715 is a deficient number, since it is larger than the sum of its proper divisors (10186965).

11228715 is a wasteful number, since it uses less digits than its factorization.

11228715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624 (or 621 counting only the distinct ones).

The product of its digits is 1120, while the sum is 27.

The square root of 11228715 is about 3350.9274835484. The cubic root of 11228715 is about 223.9288344826.

The spelling of 11228715 in words is "eleven million, two hundred twenty-eight thousand, seven hundred fifteen".