381821840222 has 8 divisors (see below), whose sum is σ = 572748102576. Its totient is φ = 190905806032.

The previous prime is 381821840221. The next prime is 381821840243. The reversal of 381821840222 is 222048128183.

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

It is a self number, because there is not a number n which added to its sum of digits gives 381821840222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381821840221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2463023 + ... + 2613450.

It is an arithmetic number, because the mean of its divisors is an integer number (71593512822).

Almost surely, 2^381821840222 is an apocalyptic number.

381821840222 is a deficient number, since it is larger than the sum of its proper divisors (190926262354).

381821840222 is a wasteful number, since it uses less digits than its factorization.

381821840222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5114082.

The product of its (nonzero) digits is 98304, while the sum is 41.

The spelling of 381821840222 in words is "three hundred eighty-one billion, eight hundred twenty-one million, eight hundred forty thousand, two hundred twenty-two".