4780422221 has 2 divisors, whose sum is σ = 4780422222. Its totient is φ = 4780422220.

The previous prime is 4780422203. The next prime is 4780422247. The reversal of 4780422221 is 1222240874.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4780201321 + 220900 = 69139^2 + 470^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4780422221 is a prime.

It is a super-2 number, since 2×4780422221² = 45704873222061145682, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4780422271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2390211110 + 2390211111.

It is an arithmetic number, because the mean of its divisors is an integer number (2390211111).

Almost surely, 2^4780422221 is an apocalyptic number.

It is an amenable number.

4780422221 is a deficient number, since it is larger than the sum of its proper divisors (1).

4780422221 is an equidigital number, since it uses as much as digits as its factorization.

4780422221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14336, while the sum is 32.

The square root of 4780422221 is about 69140.5974880171. The cubic root of 4780422221 is about 1684.5687973743.

The spelling of 4780422221 in words is "four billion, seven hundred eighty million, four hundred twenty-two thousand, two hundred twenty-one".