280422797 has 2 divisors, whose sum is σ = 280422798. Its totient is φ = 280422796.

The previous prime is 280422787. The next prime is 280422809. The reversal of 280422797 is 797224082.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 278589481 + 1833316 = 16691^2 + 1354^2 .

It is a cyclic number.

It is not a de Polignac number, because 280422797 - 2⁴ = 280422781 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (280422787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140211398 + 140211399.

It is an arithmetic number, because the mean of its divisors is an integer number (140211399).

Almost surely, 2^280422797 is an apocalyptic number.

It is an amenable number.

280422797 is a deficient number, since it is larger than the sum of its proper divisors (1).

280422797 is an equidigital number, since it uses as much as digits as its factorization.

280422797 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112896, while the sum is 41.

The square root of 280422797 is about 16745.8292419336. The cubic root of 280422797 is about 654.5423814431.

The spelling of 280422797 in words is "two hundred eighty million, four hundred twenty-two thousand, seven hundred ninety-seven".