10225861 has 4 divisors (see below), whose sum is σ = 10234924. Its totient is φ = 10216800.

The previous prime is 10225843. The next prime is 10225867. The reversal of 10225861 is 16852201.

10225861 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 16852201 = 79 ⋅213319.

It can be written as a sum of positive squares in 2 ways, for example, as 6100900 + 4124961 = 2470^2 + 2031^2 .

It is a cyclic number.

It is not a de Polignac number, because 10225861 - 2⁵ = 10225829 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 (10225867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2550 + ... + 5191.

It is an arithmetic number, because the mean of its divisors is an integer number (2558731).

Almost surely, 2^10225861 is an apocalyptic number.

It is an amenable number.

10225861 is a deficient number, since it is larger than the sum of its proper divisors (9063).

10225861 is an equidigital number, since it uses as much as digits as its factorization.

10225861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9062.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 10225861 is about 3197.7900181219. The cubic root of 10225861 is about 217.0534175870.

The spelling of 10225861 in words is "ten million, two hundred twenty-five thousand, eight hundred sixty-one".