385222944 has 48 divisors (see below), whose sum is σ = 1012798080. Its totient is φ = 128206080.

The previous prime is 385222933. The next prime is 385222993. The reversal of 385222944 is 449222583.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66234 + ... + 71814.

It is an arithmetic number, because the mean of its divisors is an integer number (21099960).

Almost surely, 2^385222944 is an apocalyptic number.

It is an amenable number.

385222944 is an abundant number, since it is smaller than the sum of its proper divisors (627575136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

385222944 is a wasteful number, since it uses less digits than its factorization.

385222944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6313 (or 6305 counting only the distinct ones).

The product of its digits is 138240, while the sum is 39.

The square root of 385222944 is about 19627.0971873071. The cubic root of 385222944 is about 727.6190294252.

It can be divided in two parts, 3852 and 22944, that added together give a triangular number (26796 = T₂₃₁).

The spelling of 385222944 in words is "three hundred eighty-five million, two hundred twenty-two thousand, nine hundred forty-four".