28527226 has 32 divisors (see below), whose sum is σ = 53964288. Its totient is φ = 11007360.

The previous prime is 28527221. The next prime is 28527251. The reversal of 28527226 is 62272582.

It is a happy number.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 28527191 and 28527200.

It is not an unprimeable number, because it can be changed into a prime (28527221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5551 + ... + 9373.

It is an arithmetic number, because the mean of its divisors is an integer number (1686384).

Almost surely, 2^28527226 is an apocalyptic number.

28527226 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

28527226 is a deficient number, since it is larger than the sum of its proper divisors (25437062).

28527226 is a wasteful number, since it uses less digits than its factorization.

28527226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3886.

The product of its digits is 26880, while the sum is 34.

The square root of 28527226 is about 5341.0884658466. The cubic root of 28527226 is about 305.5529733678.

The spelling of 28527226 in words is "twenty-eight million, five hundred twenty-seven thousand, two hundred twenty-six".