80522209 has 4 divisors (see below), whose sum is σ = 84760240. Its totient is φ = 76284180.

The previous prime is 80522177. The next prime is 80522213. The reversal of 80522209 is 90222508.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 80522209 - 2⁵ = 80522177 is a prime.

It is a super-2 number, since 2×80522209² = 12967652284479362, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80522219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2118987 + ... + 2119024.

It is an arithmetic number, because the mean of its divisors is an integer number (21190060).

Almost surely, 2^80522209 is an apocalyptic number.

It is an amenable number.

80522209 is a deficient number, since it is larger than the sum of its proper divisors (4238031).

80522209 is a wasteful number, since it uses less digits than its factorization.

80522209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4238030.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 80522209 is about 8973.4167962934. The cubic root of 80522209 is about 431.8224596961.

The spelling of 80522209 in words is "eighty million, five hundred twenty-two thousand, two hundred nine".