82228845 has 16 divisors (see below), whose sum is σ = 131725440. Its totient is φ = 43802304.

The previous prime is 82228829. The next prime is 82228859. The reversal of 82228845 is 54882228.

It is not a de Polignac number, because 82228845 - 2⁴ = 82228829 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11671 + ... + 17339.

It is an arithmetic number, because the mean of its divisors is an integer number (8232840).

Almost surely, 2^82228845 is an apocalyptic number.

It is an amenable number.

82228845 is a deficient number, since it is larger than the sum of its proper divisors (49496595).

82228845 is a wasteful number, since it uses less digits than its factorization.

82228845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6644.

The product of its digits is 81920, while the sum is 39.

The square root of 82228845 is about 9068.0121856998. The cubic root of 82228845 is about 434.8519247623.

The spelling of 82228845 in words is "eighty-two million, two hundred twenty-eight thousand, eight hundred forty-five".