2890225 has 12 divisors (see below), whose sum is σ = 3859996. Its totient is φ = 2134080.

The previous prime is 2890211. The next prime is 2890231. The reversal of 2890225 is 5220982.

2890225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 767376 + 2122849 = 876^2 + 1457^2 .

It is not a de Polignac number, because 2890225 - 2¹⁷ = 2759153 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2890193 and 2890202.

It is a congruent number.

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, 4122 + ... + 4771.

2^2890225 is an apocalyptic number.

2890225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2890225 is a deficient number, since it is larger than the sum of its proper divisors (969771).

2890225 is a wasteful number, since it uses less digits than its factorization.

2890225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8916 (or 8911 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 2890225 is about 1700.0661751826. The cubic root of 2890225 is about 142.4439093907.

The spelling of 2890225 in words is "two million, eight hundred ninety thousand, two hundred twenty-five".