10022909 has 4 divisors (see below), whose sum is σ = 10793916. Its totient is φ = 9251904.

The previous prime is 10022869. The next prime is 10022923. The reversal of 10022909 is 90922001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5808100 + 4214809 = 2410^2 + 2053^2 .

It is a cyclic number.

It is not a de Polignac number, because 10022909 - 2⁸ = 10022653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10022939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 385484 + ... + 385509.

It is an arithmetic number, because the mean of its divisors is an integer number (2698479).

Almost surely, 2^10022909 is an apocalyptic number.

It is an amenable number.

10022909 is a deficient number, since it is larger than the sum of its proper divisors (771007).

10022909 is an equidigital number, since it uses as much as digits as its factorization.

10022909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771006.

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 10022909 is about 3165.8978189449. The cubic root of 10022909 is about 215.6078633444.

The spelling of 10022909 in words is "ten million, twenty-two thousand, nine hundred nine".