28246226 has 8 divisors (see below), whose sum is σ = 42591744. Its totient is φ = 14048980.

The previous prime is 28246219. The next prime is 28246237. The reversal of 28246226 is 62264282.

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

It is a junction number, because it is equal to n+sod(n) for n = 28246192 and 28246201.

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 3 ways as a sum of consecutive naturals, for example, 36590 + ... + 37353.

It is an arithmetic number, because the mean of its divisors is an integer number (5323968).

Almost surely, 2^28246226 is an apocalyptic number.

28246226 is a deficient number, since it is larger than the sum of its proper divisors (14345518).

28246226 is a wasteful number, since it uses less digits than its factorization.

28246226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74136.

The product of its digits is 18432, while the sum is 32.

The square root of 28246226 is about 5314.7178664535. The cubic root of 28246226 is about 304.5464044902.

The spelling of 28246226 in words is "twenty-eight million, two hundred forty-six thousand, two hundred twenty-six".