322078 has 4 divisors (see below), whose sum is σ = 483120. Its totient is φ = 161038.

The previous prime is 322073. The next prime is 322079. The reversal of 322078 is 870223.

It is a happy number.

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

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (322073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80518 + ... + 80521.

It is an arithmetic number, because the mean of its divisors is an integer number (120780).

2³²²⁰⁷⁸ is an apocalyptic number.

322078 is a deficient number, since it is larger than the sum of its proper divisors (161042).

322078 is a wasteful number, since it uses less digits than its factorization.

322078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161041.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 322078 is about 567.5191626721. The cubic root of 322078 is about 68.5467739574.

The spelling of 322078 in words is "three hundred twenty-two thousand, seventy-eight".