1004220773 has 2 divisors, whose sum is σ = 1004220774. Its totient is φ = 1004220772.

The previous prime is 1004220757. The next prime is 1004220781. The reversal of 1004220773 is 3770224001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 536709889 + 467510884 = 23167^2 + 21622^2 .

It is a cyclic number.

It is not a de Polignac number, because 1004220773 - 2⁴ = 1004220757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1004220743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502110386 + 502110387.

It is an arithmetic number, because the mean of its divisors is an integer number (502110387).

Almost surely, 2^1004220773 is an apocalyptic number.

It is an amenable number.

1004220773 is a deficient number, since it is larger than the sum of its proper divisors (1).

1004220773 is an equidigital number, since it uses as much as digits as its factorization.

1004220773 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 1004220773 is about 31689.4426110653. The cubic root of 1004220773 is about 1001.4049495258.

Adding to 1004220773 its reverse (3770224001), we get a palindrome (4774444774).

The spelling of 1004220773 in words is "one billion, four million, two hundred twenty thousand, seven hundred seventy-three".