381605822 has 32 divisors (see below), whose sum is σ = 634743648. Its totient is φ = 170948736.

The previous prime is 381605801. The next prime is 381605869. The reversal of 381605822 is 228506183.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 192428 + ... + 194400.

It is an arithmetic number, because the mean of its divisors is an integer number (19835739).

Almost surely, 2^381605822 is an apocalyptic number.

381605822 is a deficient number, since it is larger than the sum of its proper divisors (253137826).

381605822 is a wasteful number, since it uses less digits than its factorization.

381605822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2204.

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 381605822 is about 19534.7337325084. The cubic root of 381605822 is about 725.3344929760.

The spelling of 381605822 in words is "three hundred eighty-one million, six hundred five thousand, eight hundred twenty-two".