2045225 has 48 divisors (see below), whose sum is σ = 3333120. Its totient is φ = 1209600.

The previous prime is 2045213. The next prime is 2045311. The reversal of 2045225 is 5225402.

It is not a de Polignac number, because 2045225 - 2⁸ = 2044969 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2045197 and 2045206.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 65960 + ... + 65990.

It is an arithmetic number, because the mean of its divisors is an integer number (69440).

2^2045225 is an apocalyptic number.

2045225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2045225 is a deficient number, since it is larger than the sum of its proper divisors (1287895).

2045225 is a wasteful number, since it uses less digits than its factorization.

2045225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90 (or 85 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 2045225 is about 1430.1136318489. The cubic root of 2045225 is about 126.9347009674.

The spelling of 2045225 in words is "two million, forty-five thousand, two hundred twenty-five".