10990225 has 12 divisors (see below), whose sum is σ = 13860720. Its totient is φ = 8642000.

The previous prime is 10990219. The next prime is 10990237. The reversal of 10990225 is 52209901.

10990225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10990225 - 2¹⁷ = 10859153 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10990193 and 10990202.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2251 + ... + 5200.

It is an arithmetic number, because the mean of its divisors is an integer number (1155060).

Almost surely, 2^10990225 is an apocalyptic number.

It is an amenable number.

10990225 is a deficient number, since it is larger than the sum of its proper divisors (2870495).

10990225 is an equidigital number, since it uses as much as digits as its factorization.

10990225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7520 (or 7515 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 28.

The square root of 10990225 is about 3315.1508261314. The cubic root of 10990225 is about 222.3321125477.

The spelling of 10990225 in words is "ten million, nine hundred ninety thousand, two hundred twenty-five".