68148228 has 24 divisors (see below), whose sum is σ = 163311232. Its totient is φ = 22101984.

The previous prime is 68148211. The next prime is 68148251. The reversal of 68148228 is 82284186.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76300 + ... + 77187.

Almost surely, 2^68148228 is an apocalyptic number.

It is an amenable number.

68148228 is an abundant number, since it is smaller than the sum of its proper divisors (95163004).

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

68148228 is a wasteful number, since it uses less digits than its factorization.

68148228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153531 (or 153529 counting only the distinct ones).

The product of its digits is 49152, while the sum is 39.

The square root of 68148228 is about 8255.1940013545. The cubic root of 68148228 is about 408.4618712187.

The spelling of 68148228 in words is "sixty-eight million, one hundred forty-eight thousand, two hundred twenty-eight".