385722234 has 24 divisors (see below), whose sum is σ = 851502132. Its totient is φ = 126147840.

The previous prime is 385722229. The next prime is 385722263. The reversal of 385722234 is 432227583.

385722234 is a `hidden beast` number, since 38 + 572 + 22 + 34 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 361190025 + 24532209 = 19005^2 + 4953^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 201207 + ... + 203114.

Almost surely, 2^385722234 is an apocalyptic number.

385722234 is an abundant number, since it is smaller than the sum of its proper divisors (465779898).

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

385722234 is a wasteful number, since it uses less digits than its factorization.

385722234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404382 (or 404379 counting only the distinct ones).

The product of its digits is 80640, while the sum is 36.

The square root of 385722234 is about 19639.8124736465. The cubic root of 385722234 is about 727.9332509847.

The spelling of 385722234 in words is "three hundred eighty-five million, seven hundred twenty-two thousand, two hundred thirty-four".