322378211406 has 8 divisors (see below), whose sum is σ = 644756422824. Its totient is φ = 107459403800.

The previous prime is 322378211399. The next prime is 322378211423. The reversal of 322378211406 is 604112873223.

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

322378211406 is an admirable number.

It is a super-2 number, since 2×322378211406² (a number of 24 digits) contains 22 as substring.

It is a congruent 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, 26864850945 + ... + 26864850956.

It is an arithmetic number, because the mean of its divisors is an integer number (80594552853).

Almost surely, 2^322378211406 is an apocalyptic number.

322378211406 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.

322378211406 is a wasteful number, since it uses less digits than its factorization.

322378211406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53729701906.

The product of its (nonzero) digits is 96768, while the sum is 39.

The spelling of 322378211406 in words is "three hundred twenty-two billion, three hundred seventy-eight million, two hundred eleven thousand, four hundred six".