402322 has 8 divisors (see below), whose sum is σ = 639036. Its totient is φ = 189312.

The previous prime is 402313. The next prime is 402329. The reversal of 402322 is 223204.

It can be written as a sum of positive squares in 2 ways, for example, as 335241 + 67081 = 579^2 + 259^2 .

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

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (402329) by changing a digit.

402322 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5883 + ... + 5950.

2⁴⁰²³²² is an apocalyptic number.

402322 is a deficient number, since it is larger than the sum of its proper divisors (236714).

402322 is a wasteful number, since it uses less digits than its factorization.

402322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11852.

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 402322 is about 634.2885778571. The cubic root of 402322 is about 73.8229270012.

Adding to 402322 its reverse (223204), we get a palindrome (625526).

The spelling of 402322 in words is "four hundred two thousand, three hundred twenty-two", and thus it is an iban number.