4222646557 has 2 divisors, whose sum is σ = 4222646558. Its totient is φ = 4222646556.

The previous prime is 4222646551. The next prime is 4222646629. The reversal of 4222646557 is 7556462224.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3951253881 + 271392676 = 62859^2 + 16474^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4222646557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4222646551) 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, 2111323278 + 2111323279.

It is an arithmetic number, because the mean of its divisors is an integer number (2111323279).

Almost surely, 2^4222646557 is an apocalyptic number.

It is an amenable number.

4222646557 is a deficient number, since it is larger than the sum of its proper divisors (1).

4222646557 is an equidigital number, since it uses as much as digits as its factorization.

4222646557 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 806400, while the sum is 43.

The square root of 4222646557 is about 64981.8940705794. The cubic root of 4222646557 is about 1616.3233386685.

The spelling of 4222646557 in words is "four billion, two hundred twenty-two million, six hundred forty-six thousand, five hundred fifty-seven".