1348641228 has 48 divisors (see below), whose sum is σ = 3435425280. Its totient is φ = 408379200.

The previous prime is 1348641221. The next prime is 1348641247. The reversal of 1348641228 is 8221468431.

It is a super-3 number, since 3×1348641228³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (1348641221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 233293 + ... + 239003.

It is an arithmetic number, because the mean of its divisors is an integer number (71571360).

Almost surely, 2^1348641228 is an apocalyptic number.

It is an amenable number.

1348641228 is an abundant number, since it is smaller than the sum of its proper divisors (2086784052).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1348641228 is a wasteful number, since it uses less digits than its factorization.

1348641228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7518 (or 7516 counting only the distinct ones).

The product of its digits is 73728, while the sum is 39.

The square root of 1348641228 is about 36723.8509418607. The cubic root of 1348641228 is about 1104.8385281687.

The spelling of 1348641228 in words is "one billion, three hundred forty-eight million, six hundred forty-one thousand, two hundred twenty-eight".