814092281 has 8 divisors (see below), whose sum is σ = 820649760. Its totient is φ = 807545088.

The previous prime is 814092229. The next prime is 814092283. The reversal of 814092281 is 182290418.

814092281 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-814092281 is a prime.

It is a super-2 number, since 2×814092281² = 1325492483967565922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (814092283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 257945 + ... + 261081.

It is an arithmetic number, because the mean of its divisors is an integer number (102581220).

Almost surely, 2^814092281 is an apocalyptic number.

It is an amenable number.

814092281 is a deficient number, since it is larger than the sum of its proper divisors (6557479).

814092281 is a wasteful number, since it uses less digits than its factorization.

814092281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5143.

The product of its (nonzero) digits is 9216, while the sum is 35.

The square root of 814092281 is about 28532.3024132298. The cubic root of 814092281 is about 933.7369510974.

The spelling of 814092281 in words is "eight hundred fourteen million, ninety-two thousand, two hundred eighty-one".