2220450473 has 2 divisors, whose sum is σ = 2220450474. Its totient is φ = 2220450472.

The previous prime is 2220450451. The next prime is 2220450481. The reversal of 2220450473 is 3740540222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1990230544 + 230219929 = 44612^2 + 15173^2 .

It is a cyclic number.

It is not a de Polignac number, because 2220450473 - 2¹⁸ = 2220188329 is a prime.

It is not a weakly prime, because it can be changed into another prime (2220450443) 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 as a sum of consecutive naturals, namely, 1110225236 + 1110225237.

It is an arithmetic number, because the mean of its divisors is an integer number (1110225237).

Almost surely, 2^2220450473 is an apocalyptic number.

It is an amenable number.

2220450473 is a deficient number, since it is larger than the sum of its proper divisors (1).

2220450473 is an equidigital number, since it uses as much as digits as its factorization.

2220450473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13440, while the sum is 29.

The square root of 2220450473 is about 47121.6560935628. The cubic root of 2220450473 is about 1304.6089799953.

Adding to 2220450473 its reverse (3740540222), we get a palindrome (5960990695).

The spelling of 2220450473 in words is "two billion, two hundred twenty million, four hundred fifty thousand, four hundred seventy-three".