212214269 has 2 divisors, whose sum is σ = 212214270. Its totient is φ = 212214268.

The previous prime is 212214239. The next prime is 212214311. The reversal of 212214269 is 962412212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 167832025 + 44382244 = 12955^2 + 6662^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212214269 is a prime.

It is a super-2 number, since 2×212214269² = 90069791934408722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212214229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106107134 + 106107135.

It is an arithmetic number, because the mean of its divisors is an integer number (106107135).

Almost surely, 2^212214269 is an apocalyptic number.

It is an amenable number.

212214269 is a deficient number, since it is larger than the sum of its proper divisors (1).

212214269 is an equidigital number, since it uses as much as digits as its factorization.

212214269 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 29.

The square root of 212214269 is about 14567.5759479743. The cubic root of 212214269 is about 596.4740131362.

The spelling of 212214269 in words is "two hundred twelve million, two hundred fourteen thousand, two hundred sixty-nine".