378731822 has 32 divisors (see below), whose sum is σ = 679795200. Its totient is φ = 154814688.

The previous prime is 378731809. The next prime is 378731833. The reversal of 378731822 is 228137873.

It is a self number, because there is not a number n which added to its sum of digits gives 378731822.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28079 + ... + 39317.

It is an arithmetic number, because the mean of its divisors is an integer number (21243600).

Almost surely, 2^378731822 is an apocalyptic number.

378731822 is a deficient number, since it is larger than the sum of its proper divisors (301063378).

378731822 is a wasteful number, since it uses less digits than its factorization.

378731822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11360.

The product of its digits is 112896, while the sum is 41.

The square root of 378731822 is about 19461.0334257973. The cubic root of 378731822 is about 723.5089909185.

The spelling of 378731822 in words is "three hundred seventy-eight million, seven hundred thirty-one thousand, eight hundred twenty-two".