68223130 has 16 divisors (see below), whose sum is σ = 123770880. Its totient is φ = 27073872.

The previous prime is 68223101. The next prime is 68223131. The reversal of 68223130 is 3132286.

It is a junction number, because it is equal to n+sod(n) for n = 68223095 and 68223104.

It is not an unprimeable number, because it can be changed into a prime (68223131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25590 + ... + 28129.

It is an arithmetic number, because the mean of its divisors is an integer number (7735680).

Almost surely, 2^68223130 is an apocalyptic number.

68223130 is a deficient number, since it is larger than the sum of its proper divisors (55547750).

68223130 is a wasteful number, since it uses less digits than its factorization.

68223130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53853.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 68223130 is about 8259.7294144542. The cubic root of 68223130 is about 408.6114638050.

The spelling of 68223130 in words is "sixty-eight million, two hundred twenty-three thousand, one hundred thirty".