212207441 has 2 divisors, whose sum is σ = 212207442. Its totient is φ = 212207440.

The previous prime is 212207419. The next prime is 212207459. The reversal of 212207441 is 144702212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 166306816 + 45900625 = 12896^2 + 6775^2 .

It is a cyclic number.

It is not a de Polignac number, because 212207441 - 2⁶ = 212207377 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (212207461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106103720 + 106103721.

It is an arithmetic number, because the mean of its divisors is an integer number (106103721).

Almost surely, 2^212207441 is an apocalyptic number.

It is an amenable number.

212207441 is a deficient number, since it is larger than the sum of its proper divisors (1).

212207441 is an equidigital number, since it uses as much as digits as its factorization.

212207441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 212207441 is about 14567.3415900088. The cubic root of 212207441 is about 596.4676158783.

Adding to 212207441 its reverse (144702212), we get a palindrome (356909653).

The spelling of 212207441 in words is "two hundred twelve million, two hundred seven thousand, four hundred forty-one".