280922313 has 16 divisors (see below), whose sum is σ = 436150656. Its totient is φ = 157497600.

The previous prime is 280922269. The next prime is 280922329. The reversal of 280922313 is 313229082.

It is a happy number.

It is not a de Polignac number, because 280922313 - 2⁶ = 280922249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (280922113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125088 + ... + 127313.

It is an arithmetic number, because the mean of its divisors is an integer number (27259416).

Almost surely, 2^280922313 is an apocalyptic number.

It is an amenable number.

280922313 is a deficient number, since it is larger than the sum of its proper divisors (155228343).

280922313 is a wasteful number, since it uses less digits than its factorization.

280922313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252464.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 280922313 is about 16760.7372451214. The cubic root of 280922313 is about 654.9307954777.

The spelling of 280922313 in words is "two hundred eighty million, nine hundred twenty-two thousand, three hundred thirteen".