10302225 has 12 divisors (see below), whose sum is σ = 17033136. Its totient is φ = 5494480.

The previous prime is 10302217. The next prime is 10302269. The reversal of 10302225 is 52220301.

It is not a de Polignac number, because 10302225 - 2³ = 10302217 is a prime.

It is a super-2 number, since 2×10302225² = 212271679901250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68607 + ... + 68756.

It is an arithmetic number, because the mean of its divisors is an integer number (1419428).

Almost surely, 2^10302225 is an apocalyptic number.

10302225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10302225 is a deficient number, since it is larger than the sum of its proper divisors (6730911).

10302225 is a wasteful number, since it uses less digits than its factorization.

10302225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137376 (or 137371 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 10302225 is about 3209.7079306379. The cubic root of 10302225 is about 217.5923771952.

Adding to 10302225 its reverse (52220301), we get a palindrome (62522526).

The spelling of 10302225 in words is "ten million, three hundred two thousand, two hundred twenty-five".