280922241 has 8 divisors (see below), whose sum is σ = 384686464. Its totient is φ = 182219760.

The previous prime is 280922237. The next prime is 280922249. The reversal of 280922241 is 142229082.

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

It is not a de Polignac number, because 280922241 - 2² = 280922237 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 280922199 and 280922208.

It is not an unprimeable number, because it can be changed into a prime (280922249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1265305 + ... + 1265526.

It is an arithmetic number, because the mean of its divisors is an integer number (48085808).

Almost surely, 2^280922241 is an apocalyptic number.

It is an amenable number.

280922241 is a deficient number, since it is larger than the sum of its proper divisors (103764223).

280922241 is a wasteful number, since it uses less digits than its factorization.

280922241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2530871.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 280922241 is about 16760.7350972444. The cubic root of 280922241 is about 654.9307395250.

The spelling of 280922241 in words is "two hundred eighty million, nine hundred twenty-two thousand, two hundred forty-one".