1280530226 has 8 divisors (see below), whose sum is σ = 1921407600. Its totient is φ = 640061028.

The previous prime is 1280530201. The next prime is 1280530231. The reversal of 1280530226 is 6220350821.

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

It is a super-2 number, since 2×1280530226² = 3279515319399222152, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94076 + ... + 106823.

It is an arithmetic number, because the mean of its divisors is an integer number (240175950).

Almost surely, 2^1280530226 is an apocalyptic number.

1280530226 is a deficient number, since it is larger than the sum of its proper divisors (640877374).

1280530226 is a wasteful number, since it uses less digits than its factorization.

1280530226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204088.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 1280530226 is about 35784.4970063853. The cubic root of 1280530226 is about 1085.9169483160.

The spelling of 1280530226 in words is "one billion, two hundred eighty million, five hundred thirty thousand, two hundred twenty-six".