10228009 has 12 divisors (see below), whose sum is σ = 11342772. Its totient is φ = 9215360.

The previous prime is 10227991. The next prime is 10228027. The reversal of 10228009 is 90082201.

10228009 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (10227991) and next prime (10228027).

It can be written as a sum of positive squares in 2 ways, for example, as 2544025 + 7683984 = 1595^2 + 2772^2 .

It is not a de Polignac number, because 10228009 - 2¹⁷ = 10096937 is a prime.

It is a super-2 number, since 2×10228009² = 209224336208162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10228069) 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, 16269 + ... + 16885.

It is an arithmetic number, because the mean of its divisors is an integer number (945231).

Almost surely, 2^10228009 is an apocalyptic number.

It is an amenable number.

10228009 is a deficient number, since it is larger than the sum of its proper divisors (1114763).

10228009 is a wasteful number, since it uses less digits than its factorization.

10228009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 776 (or 765 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 10228009 is about 3198.1258574359. The cubic root of 10228009 is about 217.0686142894.

The spelling of 10228009 in words is "ten million, two hundred twenty-eight thousand, nine".