8228735 has 4 divisors (see below), whose sum is σ = 9874488. Its totient is φ = 6582984.

The previous prime is 8228723. The next prime is 8228747. The reversal of 8228735 is 5378228.

It is a happy number.

8228735 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (8228723) and next prime (8228747).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8228735 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8228695 and 8228704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 822869 + ... + 822878.

It is an arithmetic number, because the mean of its divisors is an integer number (2468622).

Almost surely, 2^8228735 is an apocalyptic number.

8228735 is a deficient number, since it is larger than the sum of its proper divisors (1645753).

8228735 is a wasteful number, since it uses less digits than its factorization.

8228735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1645752.

The product of its digits is 26880, while the sum is 35.

The square root of 8228735 is about 2868.5771734433. The cubic root of 8228735 is about 201.8882416143. Note that the first 3 decimals are identical.

The spelling of 8228735 in words is "eight million, two hundred twenty-eight thousand, seven hundred thirty-five".