68221802 has 8 divisors (see below), whose sum is σ = 111635712. Its totient is φ = 31009900.

The previous prime is 68221801. The next prime is 68221807. The reversal of 68221802 is 20812286.

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

It is not an unprimeable number, because it can be changed into a prime (68221801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1550474 + ... + 1550517.

It is an arithmetic number, because the mean of its divisors is an integer number (13954464).

Almost surely, 2^68221802 is an apocalyptic number.

68221802 is a deficient number, since it is larger than the sum of its proper divisors (43413910).

68221802 is a wasteful number, since it uses less digits than its factorization.

68221802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3101004.

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 68221802 is about 8259.6490240203. The cubic root of 68221802 is about 408.6088125070.

The spelling of 68221802 in words is "sixty-eight million, two hundred twenty-one thousand, eight hundred two".