80886221 has 8 divisors (see below), whose sum is σ = 92232504. Its totient is φ = 70272000.

The previous prime is 80886203. The next prime is 80886233. The reversal of 80886221 is 12268808.

It can be written as a sum of positive squares in 4 ways, for example, as 13875625 + 67010596 = 3725^2 + 8186^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80886221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80886241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182780 + ... + 183221.

It is an arithmetic number, because the mean of its divisors is an integer number (11529063).

Almost surely, 2^80886221 is an apocalyptic number.

It is an amenable number.

80886221 is a deficient number, since it is larger than the sum of its proper divisors (11346283).

80886221 is a wasteful number, since it uses less digits than its factorization.

80886221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366031.

The product of its (nonzero) digits is 12288, while the sum is 35.

The square root of 80886221 is about 8993.6767231205. The cubic root of 80886221 is about 432.4721863901.

The spelling of 80886221 in words is "eighty million, eight hundred eighty-six thousand, two hundred twenty-one".