402344322 has 8 divisors (see below), whose sum is σ = 804688656. Its totient is φ = 134114772.

The previous prime is 402344309. The next prime is 402344339. The reversal of 402344322 is 223443204.

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

402344322 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 402344292 and 402344301.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33528688 + ... + 33528699.

It is an arithmetic number, because the mean of its divisors is an integer number (100586082).

Almost surely, 2^402344322 is an apocalyptic number.

402344322 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

402344322 is a wasteful number, since it uses less digits than its factorization.

402344322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67057392.

The product of its (nonzero) digits is 4608, while the sum is 24.

The square root of 402344322 is about 20058.5224281351. The cubic root of 402344322 is about 738.2429227986.

Adding to 402344322 its reverse (223443204), we get a palindrome (625787526).

The spelling of 402344322 in words is "four hundred two million, three hundred forty-four thousand, three hundred twenty-two".