4220473 has 2 divisors, whose sum is σ = 4220474. Its totient is φ = 4220472.

The previous prime is 4220449. The next prime is 4220483. The reversal of 4220473 is 3740224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2948089 + 1272384 = 1717^2 + 1128^2 .

It is a cyclic number.

It is not a de Polignac number, because 4220473 - 2⁵ = 4220441 is a prime.

It is not a weakly prime, because it can be changed into another prime (4220423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2110236 + 2110237.

It is an arithmetic number, because the mean of its divisors is an integer number (2110237).

Almost surely, 2^4220473 is an apocalyptic number.

It is an amenable number.

4220473 is a deficient number, since it is larger than the sum of its proper divisors (1).

4220473 is an equidigital number, since it uses as much as digits as its factorization.

4220473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 22.

The square root of 4220473 is about 2054.3789815903. The cubic root of 4220473 is about 161.6045963345.

Adding to 4220473 its reverse (3740224), we get a palindrome (7960697).

Subtracting from 4220473 its reverse (3740224), we obtain a square (480249 = 693²).

The spelling of 4220473 in words is "four million, two hundred twenty thousand, four hundred seventy-three".