385355222044 has 24 divisors (see below), whose sum is σ = 726267306240. Its totient is φ = 177851131584.

The previous prime is 385355222041. The next prime is 385355222051. The reversal of 385355222044 is 440222553583.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385355222041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2182917 + ... + 2352835.

It is an arithmetic number, because the mean of its divisors is an integer number (30261137760).

Almost surely, 2^385355222044 is an apocalyptic number.

It is an amenable number.

385355222044 is a deficient number, since it is larger than the sum of its proper divisors (340912084196).

385355222044 is a wasteful number, since it uses less digits than its factorization.

385355222044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213549 (or 213547 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 43.

The spelling of 385355222044 in words is "three hundred eighty-five billion, three hundred fifty-five million, two hundred twenty-two thousand, forty-four".