1318033228 has 12 divisors (see below), whose sum is σ = 2318267952. Its totient is φ = 655670960.

The previous prime is 1318033207. The next prime is 1318033303. The reversal of 1318033228 is 8223308131.

It is a super-2 number, since 2×1318033228² = 3474423180224199968, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1318033228.

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, 835528 + ... + 837103.

It is an arithmetic number, because the mean of its divisors is an integer number (193188996).

Almost surely, 2^1318033228 is an apocalyptic number.

It is an amenable number.

1318033228 is a deficient number, since it is larger than the sum of its proper divisors (1000234724).

1318033228 is a wasteful number, since it uses less digits than its factorization.

1318033228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1672832 (or 1672830 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 1318033228 is about 36304.7273505807. The cubic root of 1318033228 is about 1096.4162233128.

The spelling of 1318033228 in words is "one billion, three hundred eighteen million, thirty-three thousand, two hundred twenty-eight".