2220464305 has 8 divisors (see below), whose sum is σ = 2682441000. Its totient is φ = 1764448896.

The previous prime is 2220464303. The next prime is 2220464329. The reversal of 2220464305 is 5034640222.

It can be written as a sum of positive squares in 4 ways, for example, as 324036001 + 1896428304 = 18001^2 + 43548^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2220464305 - 2¹ = 2220464303 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2220464303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1489500 + ... + 1490989.

It is an arithmetic number, because the mean of its divisors is an integer number (335305125).

Almost surely, 2^2220464305 is an apocalyptic number.

It is an amenable number.

2220464305 is a deficient number, since it is larger than the sum of its proper divisors (461976695).

2220464305 is a wasteful number, since it uses less digits than its factorization.

2220464305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2980643.

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 2220464305 is about 47121.8028623693. The cubic root of 2220464305 is about 1304.6116889522.

The spelling of 2220464305 in words is "two billion, two hundred twenty million, four hundred sixty-four thousand, three hundred five".