212022241 has 2 divisors, whose sum is σ = 212022242. Its totient is φ = 212022240.

The previous prime is 212022229. The next prime is 212022263. The reversal of 212022241 is 142220212.

212022241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 158659216 + 53363025 = 12596^2 + 7305^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212022241 is a prime.

It is not a weakly prime, because it can be changed into another prime (212022281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106011120 + 106011121.

It is an arithmetic number, because the mean of its divisors is an integer number (106011121).

Almost surely, 2^212022241 is an apocalyptic number.

It is an amenable number.

212022241 is a deficient number, since it is larger than the sum of its proper divisors (1).

212022241 is an equidigital number, since it uses as much as digits as its factorization.

212022241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 212022241 is about 14560.9835176062. The cubic root of 212022241 is about 596.2940467939.

Adding to 212022241 its reverse (142220212), we get a palindrome (354242453).

The spelling of 212022241 in words is "two hundred twelve million, twenty-two thousand, two hundred forty-one".