2646225 has 36 divisors (see below), whose sum is σ = 4997200. Its totient is φ = 1334880.

The previous prime is 2646211. The next prime is 2646227. The reversal of 2646225 is 5226462.

It is not a de Polignac number, because 2646225 - 2¹¹ = 2644177 is a prime.

It is a Curzon number.

2646225 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2646227) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3966 + ... + 4584.

2^2646225 is an apocalyptic number.

2646225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2646225 is a deficient number, since it is larger than the sum of its proper divisors (2350975).

2646225 is a wasteful number, since it uses less digits than its factorization.

2646225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654 (or 646 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 2646225 is about 1626.7221643538. The cubic root of 2646225 is about 138.3170090897.

The spelling of 2646225 in words is "two million, six hundred forty-six thousand, two hundred twenty-five".