4212222857 has 8 divisors (see below), whose sum is σ = 4351079496. Its totient is φ = 4074682752.

The previous prime is 4212222811. The next prime is 4212222869. The reversal of 4212222857 is 7582222124.

4212222857 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1396965376 + 2815257481 = 37376^2 + 53059^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4212222857 - 2⁶ = 4212222793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4212222887) 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 in 7 ways as a sum of consecutive naturals, for example, 322628 + ... + 335429.

It is an arithmetic number, because the mean of its divisors is an integer number (543884937).

Almost surely, 2^4212222857 is an apocalyptic number.

It is an amenable number.

4212222857 is a deficient number, since it is larger than the sum of its proper divisors (138856639).

4212222857 is a wasteful number, since it uses less digits than its factorization.

4212222857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658267.

The product of its digits is 35840, while the sum is 35.

The square root of 4212222857 is about 64901.6398637199. The cubic root of 4212222857 is about 1614.9922657120.

The spelling of 4212222857 in words is "four billion, two hundred twelve million, two hundred twenty-two thousand, eight hundred fifty-seven".