2220361305 has 16 divisors (see below), whose sum is σ = 3648594624. Its totient is φ = 1152187200.

The previous prime is 2220361289. The next prime is 2220361333. The reversal of 2220361305 is 5031630222.

It is not a de Polignac number, because 2220361305 - 2⁴ = 2220361289 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 1999771 + ... + 2000880.

It is an arithmetic number, because the mean of its divisors is an integer number (228037164).

Almost surely, 2^2220361305 is an apocalyptic number.

It is an amenable number.

2220361305 is a deficient number, since it is larger than the sum of its proper divisors (1428233319).

2220361305 is a wasteful number, since it uses less digits than its factorization.

2220361305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4000696.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 2220361305 is about 47120.7099373513. The cubic root of 2220361305 is about 1304.5915164322.

Adding to 2220361305 its reverse (5031630222), we get a palindrome (7251991527).

The spelling of 2220361305 in words is "two billion, two hundred twenty million, three hundred sixty-one thousand, three hundred five".