80228511 has 12 divisors (see below), whose sum is σ = 126420840. Its totient is φ = 48623280.

The previous prime is 80228503. The next prime is 80228521. The reversal of 80228511 is 11582208.

It is not a de Polignac number, because 80228511 - 2³ = 80228503 is a prime.

It is a super-2 number, since 2×80228511² = 12873227954554242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80228501) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 405096 + ... + 405293.

It is an arithmetic number, because the mean of its divisors is an integer number (10535070).

Almost surely, 2^80228511 is an apocalyptic number.

80228511 is a deficient number, since it is larger than the sum of its proper divisors (46192329).

80228511 is a wasteful number, since it uses less digits than its factorization.

80228511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 810406 (or 810403 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 27.

The square root of 80228511 is about 8957.0369542612. The cubic root of 80228511 is about 431.2968080257.

The spelling of 80228511 in words is "eighty million, two hundred twenty-eight thousand, five hundred eleven".