10992281 has 2 divisors, whose sum is σ = 10992282. Its totient is φ = 10992280.

The previous prime is 10992277. The next prime is 10992283. The reversal of 10992281 is 18229901.

It is a happy number.

10992281 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8904256 + 2088025 = 2984^2 + 1445^2 .

It is an emirp because it is prime and its reverse (18229901) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10992281 - 2² = 10992277 is a prime.

It is a super-3 number, since 3×10992281³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

Together with 10992283, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (10992283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5496140 + 5496141.

It is an arithmetic number, because the mean of its divisors is an integer number (5496141).

Almost surely, 2^10992281 is an apocalyptic number.

It is an amenable number.

10992281 is a deficient number, since it is larger than the sum of its proper divisors (1).

10992281 is an equidigital number, since it uses as much as digits as its factorization.

10992281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 32.

The square root of 10992281 is about 3315.4609031023. The cubic root of 10992281 is about 222.3459759679.

The spelling of 10992281 in words is "ten million, nine hundred ninety-two thousand, two hundred eighty-one".