385204122 has 24 divisors (see below), whose sum is σ = 883704276. Its totient is φ = 120848256.

The previous prime is 385204121. The next prime is 385204123. The reversal of 385204122 is 221402583.

It is an interprime number because it is at equal distance from previous prime (385204121) and next prime (385204123).

It can be written as a sum of positive squares in 2 ways, for example, as 347859801 + 37344321 = 18651^2 + 6111^2 .

It is not an unprimeable number, because it can be changed into a prime (385204121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 629113 + ... + 629724.

Almost surely, 2^385204122 is an apocalyptic number.

385204122 is an abundant number, since it is smaller than the sum of its proper divisors (498500154).

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

385204122 is a wasteful number, since it uses less digits than its factorization.

385204122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1258862 (or 1258859 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 385204122 is about 19626.6176912885. The cubic root of 385204122 is about 727.6071787392.

The spelling of 385204122 in words is "three hundred eighty-five million, two hundred four thousand, one hundred twenty-two".