80818228 has 24 divisors (see below), whose sum is σ = 148764672. Its totient is φ = 38342304.

The previous prime is 80818219. The next prime is 80818237. The reversal of 80818228 is 82281808.

It is an interprime number because it is at equal distance from previous prime (80818219) and next prime (80818237).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8226 + ... + 15142.

It is an arithmetic number, because the mean of its divisors is an integer number (6198528).

Almost surely, 2^80818228 is an apocalyptic number.

It is an amenable number.

80818228 is a deficient number, since it is larger than the sum of its proper divisors (67946444).

80818228 is a wasteful number, since it uses less digits than its factorization.

80818228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7071 (or 7069 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 37.

The square root of 80818228 is about 8989.8958837130. The cubic root of 80818228 is about 432.3509736373.

The spelling of 80818228 in words is "eighty million, eight hundred eighteen thousand, two hundred twenty-eight".