80225969 has 4 divisors (see below), whose sum is σ = 80482596. Its totient is φ = 79969344.

The previous prime is 80225947. The next prime is 80225987. The reversal of 80225969 is 96952208.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5230369 + 74995600 = 2287^2 + 8660^2 .

It is a cyclic number.

It is not a de Polignac number, because 80225969 - 2⁸ = 80225713 is a prime.

It is a super-2 number, since 2×80225969² = 12872412203977922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80225939) by changing a digit.

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, 127844 + ... + 128469.

It is an arithmetic number, because the mean of its divisors is an integer number (20120649).

Almost surely, 2^80225969 is an apocalyptic number.

It is an amenable number.

80225969 is a deficient number, since it is larger than the sum of its proper divisors (256627).

80225969 is a wasteful number, since it uses less digits than its factorization.

80225969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256626.

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 80225969 is about 8956.8950535328. The cubic root of 80225969 is about 431.2922528369.

The spelling of 80225969 in words is "eighty million, two hundred twenty-five thousand, nine hundred sixty-nine".