4942229221 has 2 divisors, whose sum is σ = 4942229222. Its totient is φ = 4942229220.

The previous prime is 4942229197. The next prime is 4942229267. The reversal of 4942229221 is 1229222494.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4682664900 + 259564321 = 68430^2 + 16111^2 .

It is a cyclic number.

It is not a de Polignac number, because 4942229221 - 2⁵ = 4942229189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4942229321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2471114610 + 2471114611.

It is an arithmetic number, because the mean of its divisors is an integer number (2471114611).

Almost surely, 2^4942229221 is an apocalyptic number.

It is an amenable number.

4942229221 is a deficient number, since it is larger than the sum of its proper divisors (1).

4942229221 is an equidigital number, since it uses as much as digits as its factorization.

4942229221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41472, while the sum is 37.

The square root of 4942229221 is about 70300.9901850607. The cubic root of 4942229221 is about 1703.3646420700.

The spelling of 4942229221 in words is "four billion, nine hundred forty-two million, two hundred twenty-nine thousand, two hundred twenty-one".