80842822 has 4 divisors (see below), whose sum is σ = 121264236. Its totient is φ = 40421410.

The previous prime is 80842819. The next prime is 80842831. The reversal of 80842822 is 22824808.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20210704 + ... + 20210707.

It is an arithmetic number, because the mean of its divisors is an integer number (30316059).

Almost surely, 2^80842822 is an apocalyptic number.

80842822 is a deficient number, since it is larger than the sum of its proper divisors (40421414).

80842822 is a wasteful number, since it uses less digits than its factorization.

80842822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40421413.

The product of its (nonzero) digits is 16384, while the sum is 34.

The square root of 80842822 is about 8991.2636486759. The cubic root of 80842822 is about 432.3948257966.

The spelling of 80842822 in words is "eighty million, eight hundred forty-two thousand, eight hundred twenty-two".