4022210981 has 2 divisors, whose sum is σ = 4022210982. Its totient is φ = 4022210980.

The previous prime is 4022210939. The next prime is 4022211041. The reversal of 4022210981 is 1890122204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2529084100 + 1493126881 = 50290^2 + 38641^2 .

It is a cyclic number.

It is not a de Polignac number, because 4022210981 - 2¹⁴ = 4022194597 is a prime.

It is a super-2 number, since 2×4022210981² = 32356362351353964722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4022230981) 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, 2011105490 + 2011105491.

It is an arithmetic number, because the mean of its divisors is an integer number (2011105491).

Almost surely, 2^4022210981 is an apocalyptic number.

It is an amenable number.

4022210981 is a deficient number, since it is larger than the sum of its proper divisors (1).

4022210981 is an equidigital number, since it uses as much as digits as its factorization.

4022210981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 4022210981 is about 63420.9033442445. The cubic root of 4022210981 is about 1590.3337749769. Note that the first 3 decimals are identical.

The spelling of 4022210981 in words is "four billion, twenty-two million, two hundred ten thousand, nine hundred eighty-one".