26564228 has 12 divisors (see below), whose sum is σ = 47621532. Its totient is φ = 12958080.

The previous prime is 26564207. The next prime is 26564231. The reversal of 26564228 is 82246562.

It can be written as a sum of positive squares in 2 ways, for example, as 6061444 + 20502784 = 2462^2 + 4528^2 .

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, 80825 + ... + 81152.

It is an arithmetic number, because the mean of its divisors is an integer number (3968461).

Almost surely, 2^26564228 is an apocalyptic number.

It is an amenable number.

26564228 is a deficient number, since it is larger than the sum of its proper divisors (21057304).

26564228 is a wasteful number, since it uses less digits than its factorization.

26564228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162022 (or 162020 counting only the distinct ones).

The product of its digits is 46080, while the sum is 35.

The square root of 26564228 is about 5154.0496699198. The cubic root of 26564228 is about 298.3772679245.

The spelling of 26564228 in words is "twenty-six million, five hundred sixty-four thousand, two hundred twenty-eight".