10229985 has 24 divisors (see below), whose sum is σ = 17806464. Its totient is φ = 5433120.

The previous prime is 10229981. The next prime is 10230023. The reversal of 10229985 is 58992201.

It is not a de Polignac number, because 10229985 - 2² = 10229981 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10229981) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20590 + ... + 21080.

It is an arithmetic number, because the mean of its divisors is an integer number (741936).

Almost surely, 2^10229985 is an apocalyptic number.

10229985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10229985 is a deficient number, since it is larger than the sum of its proper divisors (7576479).

10229985 is a wasteful number, since it uses less digits than its factorization.

10229985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 965 (or 962 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 10229985 is about 3198.4347734478. The cubic root of 10229985 is about 217.0825922449.

The spelling of 10229985 in words is "ten million, two hundred twenty-nine thousand, nine hundred eighty-five".