402404322 has 8 divisors (see below), whose sum is σ = 804808656. Its totient is φ = 134134772.

The previous prime is 402404311. The next prime is 402404371. The reversal of 402404322 is 223404204.

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

402404322 is an admirable number.

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, 33533688 + ... + 33533699.

It is an arithmetic number, because the mean of its divisors is an integer number (100601082).

Almost surely, 2^402404322 is an apocalyptic number.

402404322 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.

402404322 is a wasteful number, since it uses less digits than its factorization.

402404322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67067392.

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 402404322 is about 20060.0179960039. The cubic root of 402404322 is about 738.2796180464.

Adding to 402404322 its reverse (223404204), we get a palindrome (625808526).

The spelling of 402404322 in words is "four hundred two million, four hundred four thousand, three hundred twenty-two".