80818222 has 8 divisors (see below), whose sum is σ = 121757400. Its totient is φ = 40232424.

The previous prime is 80818219. The next prime is 80818237. The reversal of 80818222 is 22281808.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87772 + ... + 88687.

It is an arithmetic number, because the mean of its divisors is an integer number (15219675).

Almost surely, 2^80818222 is an apocalyptic number.

80818222 is a deficient number, since it is larger than the sum of its proper divisors (40939178).

80818222 is a wasteful number, since it uses less digits than its factorization.

80818222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176690.

The product of its (nonzero) digits is 4096, while the sum is 31.

The square root of 80818222 is about 8989.8955500050. The cubic root of 80818222 is about 432.3509629379.

The spelling of 80818222 in words is "eighty million, eight hundred eighteen thousand, two hundred twenty-two".