402212402269 has 2 divisors, whose sum is σ = 402212402270. Its totient is φ = 402212402268.

The previous prime is 402212402213. The next prime is 402212402311. The reversal of 402212402269 is 962204212204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 363072528025 + 39139874244 = 602555^2 + 197838^2 .

It is a cyclic number.

It is not a de Polignac number, because 402212402269 - 2¹⁹ = 402211877981 is a prime.

It is a super-3 number, since 3×402212402269³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (402212406269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201106201134 + 201106201135.

It is an arithmetic number, because the mean of its divisors is an integer number (201106201135).

Almost surely, 2^402212402269 is an apocalyptic number.

It is an amenable number.

402212402269 is a deficient number, since it is larger than the sum of its proper divisors (1).

402212402269 is an equidigital number, since it uses as much as digits as its factorization.

402212402269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 34.

The spelling of 402212402269 in words is "four hundred two billion, two hundred twelve million, four hundred two thousand, two hundred sixty-nine".