385222028 has 6 divisors (see below), whose sum is σ = 674138556. Its totient is φ = 192611012.

The previous prime is 385222003. The next prime is 385222039. The reversal of 385222028 is 820222583.

It is a junction number, because it is equal to n+sod(n) for n = 385221985 and 385222003.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48152750 + ... + 48152757.

It is an arithmetic number, because the mean of its divisors is an integer number (112356426).

Almost surely, 2^385222028 is an apocalyptic number.

It is an amenable number.

385222028 is a deficient number, since it is larger than the sum of its proper divisors (288916528).

385222028 is a wasteful number, since it uses less digits than its factorization.

385222028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96305511 (or 96305509 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 385222028 is about 19627.0738522073. The cubic root of 385222028 is about 727.6184527033.

The spelling of 385222028 in words is "three hundred eighty-five million, two hundred twenty-two thousand, twenty-eight".