322006404 has 12 divisors (see below), whose sum is σ = 751348304. Its totient is φ = 107335464.

The previous prime is 322006397. The next prime is 322006423. The reversal of 322006404 is 404600223.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×322006404² = 207376248434022432, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13416922 + ... + 13416945.

Almost surely, 2^322006404 is an apocalyptic number.

It is an amenable number.

322006404 is an abundant number, since it is smaller than the sum of its proper divisors (429341900).

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

322006404 is a wasteful number, since it uses less digits than its factorization.

322006404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26833874 (or 26833872 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 322006404 is about 17944.5368845228. The cubic root of 322006404 is about 685.4169440258.

Adding to 322006404 its reverse (404600223), we get a palindrome (726606627).

The spelling of 322006404 in words is "three hundred twenty-two million, six thousand, four hundred four".