2205963 has 6 divisors (see below), whose sum is σ = 3186404. Its totient is φ = 1470636.

The previous prime is 2205949. The next prime is 2205989. The reversal of 2205963 is 3695022.

It is not a de Polignac number, because 2205963 - 2⁴ = 2205947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2203963) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 122545 + ... + 122562.

2^2205963 is an apocalyptic number.

2205963 is a deficient number, since it is larger than the sum of its proper divisors (980441).

2205963 is a wasteful number, since it uses less digits than its factorization.

2205963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245113 (or 245110 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 2205963 is about 1485.2484640625. The cubic root of 2205963 is about 130.1765451460.

It can be divided in two parts, 22059 and 63, that added together give a palindrome (22122).

The spelling of 2205963 in words is "two million, two hundred five thousand, nine hundred sixty-three".