2205623761 has 16 divisors (see below), whose sum is σ = 2473289280. Its totient is φ = 1949244480.

The previous prime is 2205623731. The next prime is 2205623767. The reversal of 2205623761 is 1673265022.

2205623761 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2205623761 - 2¹⁵ = 2205590993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2205623767) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 938590 + ... + 940936.

It is an arithmetic number, because the mean of its divisors is an integer number (154580580).

Almost surely, 2^2205623761 is an apocalyptic number.

It is an amenable number.

2205623761 is a deficient number, since it is larger than the sum of its proper divisors (267665519).

2205623761 is a wasteful number, since it uses less digits than its factorization.

2205623761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4704.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 2205623761 is about 46964.0688292656. The cubic root of 2205623761 is about 1301.6987183602.

Adding to 2205623761 its reverse (1673265022), we get a palindrome (3878888783).

The spelling of 2205623761 in words is "two billion, two hundred five million, six hundred twenty-three thousand, seven hundred sixty-one".