80400322 has 4 divisors (see below), whose sum is σ = 120600486. Its totient is φ = 40200160.

The previous prime is 80400319. The next prime is 80400367. The reversal of 80400322 is 22300408.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 46771921 + 33628401 = 6839^2 + 5799^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 80400322.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20100079 + ... + 20100082.

Almost surely, 2^80400322 is an apocalyptic number.

80400322 is a deficient number, since it is larger than the sum of its proper divisors (40200164).

80400322 is a wasteful number, since it uses less digits than its factorization.

80400322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40200163.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 80400322 is about 8966.6226640804. The cubic root of 80400322 is about 431.6044654954.

The spelling of 80400322 in words is "eighty million, four hundred thousand, three hundred twenty-two".