281122243 has 2 divisors, whose sum is σ = 281122244. Its totient is φ = 281122242.

The previous prime is 281122213. The next prime is 281122273. The reversal of 281122243 is 342221182.

It is a balanced prime because it is at equal distance from previous prime (281122213) and next prime (281122273).

It is a cyclic number.

It is not a de Polignac number, because 281122243 - 2²⁵ = 247567811 is a prime.

It is not a weakly prime, because it can be changed into another prime (281122213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140561121 + 140561122.

It is an arithmetic number, because the mean of its divisors is an integer number (140561122).

Almost surely, 2^281122243 is an apocalyptic number.

281122243 is a deficient number, since it is larger than the sum of its proper divisors (1).

281122243 is an equidigital number, since it uses as much as digits as its factorization.

281122243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1536, while the sum is 25.

The square root of 281122243 is about 16766.7004207745. The cubic root of 281122243 is about 655.0861281766.

The spelling of 281122243 in words is "two hundred eighty-one million, one hundred twenty-two thousand, two hundred forty-three".