400322 has 16 divisors (see below), whose sum is σ = 657720. Its totient is φ = 181632.

The previous prime is 400321. The next prime is 400331. The reversal of 400322 is 223004.

It can be written as a sum of positive squares in 4 ways, for example, as 303601 + 96721 = 551^2 + 311^2 .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 400322.

It is not an unprimeable number, because it can be changed into a prime (400321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2228 + ... + 2400.

2⁴⁰⁰³²² is an apocalyptic number.

400322 is a deficient number, since it is larger than the sum of its proper divisors (257398).

400322 is a wasteful number, since it uses less digits than its factorization.

400322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277.

The product of its (nonzero) digits is 48, while the sum is 11.

The square root of 400322 is about 632.7100441751. The cubic root of 400322 is about 73.7003956390.

Adding to 400322 its reverse (223004), we get a palindrome (623326).

The spelling of 400322 in words is "four hundred thousand, three hundred twenty-two", and thus it is an iban number.