68220430 has 8 divisors (see below), whose sum is σ = 122796792. Its totient is φ = 27288168.

The previous prime is 68220419. The next prime is 68220437. The reversal of 68220430 is 3402286.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 68220395 and 68220404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68220437) by changing a digit.

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, 3411012 + ... + 3411031.

It is an arithmetic number, because the mean of its divisors is an integer number (15349599).

Almost surely, 2^68220430 is an apocalyptic number.

68220430 is a deficient number, since it is larger than the sum of its proper divisors (54576362).

68220430 is a wasteful number, since it uses less digits than its factorization.

68220430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6822050.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 68220430 is about 8259.5659692262. The cubic root of 68220430 is about 408.6060733286.

It can be divided in two parts, 682 and 20430, that added together give a palindrome (21112).

The spelling of 68220430 in words is "sixty-eight million, two hundred twenty thousand, four hundred thirty".