80225565 has 16 divisors (see below), whose sum is σ = 146698368. Its totient is φ = 36674496.

The previous prime is 80225557. The next prime is 80225597. The reversal of 80225565 is 56552208.

It is not a de Polignac number, because 80225565 - 2³ = 80225557 is a prime.

It is a super-2 number, since 2×80225565² = 12872282559138450, which contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 381922 + ... + 382131.

It is an arithmetic number, because the mean of its divisors is an integer number (9168648).

Almost surely, 2^80225565 is an apocalyptic number.

It is an amenable number.

80225565 is a deficient number, since it is larger than the sum of its proper divisors (66472803).

80225565 is a wasteful number, since it uses less digits than its factorization.

80225565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 764068.

The product of its (nonzero) digits is 24000, while the sum is 33.

The square root of 80225565 is about 8956.8725010463. The cubic root of 80225565 is about 431.2915288719.

The spelling of 80225565 in words is "eighty million, two hundred twenty-five thousand, five hundred sixty-five".