68220248 has 16 divisors (see below), whose sum is σ = 129180960. Its totient is φ = 33772000.

The previous prime is 68220233. The next prime is 68220253. The reversal of 68220248 is 84202286.

It is a happy number.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 41408 + ... + 43023.

It is an arithmetic number, because the mean of its divisors is an integer number (8073810).

Almost surely, 2^68220248 is an apocalyptic number.

It is an amenable number.

68220248 is a deficient number, since it is larger than the sum of its proper divisors (60960712).

68220248 is a wasteful number, since it uses less digits than its factorization.

68220248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84538 (or 84534 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 32.

The square root of 68220248 is about 8259.5549516908. The cubic root of 68220248 is about 408.6057099655.

The spelling of 68220248 in words is "sixty-eight million, two hundred twenty thousand, two hundred forty-eight".