280425422 has 8 divisors (see below), whose sum is σ = 423424272. Its totient is φ = 139284000.

The previous prime is 280425419. The next prime is 280425443. The reversal of 280425422 is 224524082.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 463979 + ... + 464582.

It is an arithmetic number, because the mean of its divisors is an integer number (52928034).

Almost surely, 2^280425422 is an apocalyptic number.

280425422 is a deficient number, since it is larger than the sum of its proper divisors (142998850).

280425422 is a wasteful number, since it uses less digits than its factorization.

280425422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 928714.

The product of its (nonzero) digits is 10240, while the sum is 29.

The square root of 280425422 is about 16745.9076194753. The cubic root of 280425422 is about 654.5444237977.

The spelling of 280425422 in words is "two hundred eighty million, four hundred twenty-five thousand, four hundred twenty-two".