212022353 has 2 divisors, whose sum is σ = 212022354. Its totient is φ = 212022352.

The previous prime is 212022323. The next prime is 212022359. The reversal of 212022353 is 353220212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 131148304 + 80874049 = 11452^2 + 8993^2 .

It is a cyclic number.

It is not a de Polignac number, because 212022353 - 2¹⁸ = 211760209 is a prime.

It is a Chen prime.

It is equal to p_11707031 and since 212022353 and 11707031 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (212022359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106011176 + 106011177.

It is an arithmetic number, because the mean of its divisors is an integer number (106011177).

Almost surely, 2^212022353 is an apocalyptic number.

It is an amenable number.

212022353 is a deficient number, since it is larger than the sum of its proper divisors (1).

212022353 is an equidigital number, since it uses as much as digits as its factorization.

212022353 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 212022353 is about 14560.9873634998. The cubic root of 212022353 is about 596.2941517906.

Adding to 212022353 its reverse (353220212), we get a palindrome (565242565).

The spelling of 212022353 in words is "two hundred twelve million, twenty-two thousand, three hundred fifty-three".