1004766221 has 2 divisors, whose sum is σ = 1004766222. Its totient is φ = 1004766220.

The previous prime is 1004766193. The next prime is 1004766229. The reversal of 1004766221 is 1226674001.

1004766221 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., 937033321 + 67732900 = 30611^2 + 8230^2 .

It is a cyclic number.

It is not a de Polignac number, because 1004766221 - 2¹⁸ = 1004504077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1004766229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502383110 + 502383111.

It is an arithmetic number, because the mean of its divisors is an integer number (502383111).

Almost surely, 2^1004766221 is an apocalyptic number.

It is an amenable number.

1004766221 is a deficient number, since it is larger than the sum of its proper divisors (1).

1004766221 is an equidigital number, since it uses as much as digits as its factorization.

1004766221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 1004766221 is about 31698.0475897176. The cubic root of 1004766221 is about 1001.5862228999.

The spelling of 1004766221 in words is "one billion, four million, seven hundred sixty-six thousand, two hundred twenty-one".