381684022 has 16 divisors (see below), whose sum is σ = 596943360. Its totient is φ = 182806848.

The previous prime is 381684013. The next prime is 381684029. The reversal of 381684022 is 220486183.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381684029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18543 + ... + 33274.

It is an arithmetic number, because the mean of its divisors is an integer number (37308960).

Almost surely, 2^381684022 is an apocalyptic number.

381684022 is a deficient number, since it is larger than the sum of its proper divisors (215259338).

381684022 is a wasteful number, since it uses less digits than its factorization.

381684022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51975.

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 381684022 is about 19536.7351929640. The cubic root of 381684022 is about 725.3840356192.

The spelling of 381684022 in words is "three hundred eighty-one million, six hundred eighty-four thousand, twenty-two".