3820405856622 has 8 divisors (see below), whose sum is σ = 7640811713256. Its totient is φ = 1273468618872.

The previous prime is 3820405856621. The next prime is 3820405856629. The reversal of 3820405856622 is 2266585040283.

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

3820405856622 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3820405856621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 318367154713 + ... + 318367154724.

It is an arithmetic number, because the mean of its divisors is an integer number (955101464157).

Almost surely, 2^{3820405856622} is an apocalyptic number.

3820405856622 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.

3820405856622 is a wasteful number, since it uses less digits than its factorization.

3820405856622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636734309442.

The product of its (nonzero) digits is 5529600, while the sum is 51.

The spelling of 3820405856622 in words is "three trillion, eight hundred twenty billion, four hundred five million, eight hundred fifty-six thousand, six hundred twenty-two".