2220773 has 2 divisors, whose sum is σ = 2220774. Its totient is φ = 2220772.

The previous prime is 2220749. The next prime is 2220787. The reversal of 2220773 is 3770222.

2220773 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2211169 + 9604 = 1487^2 + 98^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2220773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2220073) by changing a digit.

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 as a sum of consecutive naturals, namely, 1110386 + 1110387.

It is an arithmetic number, because the mean of its divisors is an integer number (1110387).

2^2220773 is an apocalyptic number.

It is an amenable number.

2220773 is a deficient number, since it is larger than the sum of its proper divisors (1).

2220773 is an equidigital number, since it uses as much as digits as its factorization.

2220773 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1176, while the sum is 23.

The square root of 2220773 is about 1490.2258218136. The cubic root of 2220773 is about 130.4672143042.

Adding to 2220773 its reverse (3770222), we get a palindrome (5990995).

The spelling of 2220773 in words is "two million, two hundred twenty thousand, seven hundred seventy-three".