80394522 has 64 divisors (see below), whose sum is σ = 185262336. Its totient is φ = 23063040.

The previous prime is 80394511. The next prime is 80394527. The reversal of 80394522 is 22549308.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (80394527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73008 + ... + 74100.

It is an arithmetic number, because the mean of its divisors is an integer number (2894724).

Almost surely, 2^80394522 is an apocalyptic number.

80394522 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 80394522, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92631168).

80394522 is an abundant number, since it is smaller than the sum of its proper divisors (104867814).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80394522 is a wasteful number, since it uses less digits than its factorization.

80394522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1175.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 80394522 is about 8966.2992365859. The cubic root of 80394522 is about 431.5940867389.

It can be divided in two parts, 8039 and 4522, that added together give a triangular number (12561 = T₁₅₈).

The spelling of 80394522 in words is "eighty million, three hundred ninety-four thousand, five hundred twenty-two".