80243522 has 8 divisors (see below), whose sum is σ = 124515900. Its totient is φ = 38738224.

The previous prime is 80243509. The next prime is 80243543. The reversal of 80243522 is 22534208.

It can be written as a sum of positive squares in 2 ways, for example, as 77281681 + 2961841 = 8791^2 + 1721^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 80243491 and 80243500.

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, 691697 + ... + 691812.

Almost surely, 2^80243522 is an apocalyptic number.

80243522 is a deficient number, since it is larger than the sum of its proper divisors (44272378).

80243522 is a wasteful number, since it uses less digits than its factorization.

80243522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1383540.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 80243522 is about 8957.8748595858. The cubic root of 80243522 is about 431.3237053326.

The spelling of 80243522 in words is "eighty million, two hundred forty-three thousand, five hundred twenty-two".