15228066 has 32 divisors (see below), whose sum is σ = 35468928. Its totient is φ = 4268160.

The previous prime is 15228049. The next prime is 15228071. The reversal of 15228066 is 66082251.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1195 + ... + 5646.

It is an arithmetic number, because the mean of its divisors is an integer number (1108404).

Almost surely, 2^15228066 is an apocalyptic number.

15228066 is an abundant number, since it is smaller than the sum of its proper divisors (20240862).

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

15228066 is a wasteful number, since it uses less digits than its factorization.

15228066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6906.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 15228066 is about 3902.3154664891. The cubic root of 15228066 is about 247.8648348610.

The spelling of 15228066 in words is "fifteen million, two hundred twenty-eight thousand, sixty-six".