10388225 has 12 divisors (see below), whose sum is σ = 12954156. Its totient is φ = 8263680.

The previous prime is 10388221. The next prime is 10388227. The reversal of 10388225 is 52288301.

It can be written as a sum of positive squares in 6 ways, for example, as 2676496 + 7711729 = 1636^2 + 2777^2 .

It is not a de Polignac number, because 10388225 - 2² = 10388221 is a prime.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10388221) 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, 3749 + ... + 5901.

It is an arithmetic number, because the mean of its divisors is an integer number (1079513).

Almost surely, 2^10388225 is an apocalyptic number.

It is an amenable number.

10388225 is a deficient number, since it is larger than the sum of its proper divisors (2565931).

10388225 is a wasteful number, since it uses less digits than its factorization.

10388225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2356 (or 2351 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 10388225 is about 3223.0769460253. The cubic root of 10388225 is about 218.1961663281.

The spelling of 10388225 in words is "ten million, three hundred eighty-eight thousand, two hundred twenty-five".