1337928228 has 72 divisors (see below), whose sum is σ = 4162453568. Its totient is φ = 352859328.

The previous prime is 1337928223. The next prime is 1337928233. The reversal of 1337928228 is 8228297331.

1337928228 is a `hidden beast` number, since 1 + 337 + 92 + 8 + 228 = 666.

It is an interprime number because it is at equal distance from previous prime (1337928223) and next prime (1337928233).

It is not an unprimeable number, because it can be changed into a prime (1337928223) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 200926 + ... + 207477.

Almost surely, 2^1337928228 is an apocalyptic number.

1337928228 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1337928228 is an abundant number, since it is smaller than the sum of its proper divisors (2824525340).

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

1337928228 is a wasteful number, since it uses less digits than its factorization.

1337928228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408433 (or 408428 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 1337928228 is about 36577.7012399631. The cubic root of 1337928228 is about 1101.9053006942.

The spelling of 1337928228 in words is "one billion, three hundred thirty-seven million, nine hundred twenty-eight thousand, two hundred twenty-eight".