68210722 has 16 divisors (see below), whose sum is σ = 107864640. Its totient is φ = 32261328.

The previous prime is 68210719. The next prime is 68210731. The reversal of 68210722 is 22701286.

It is a super-2 number, since 2×68210722² = 9305405191522568, which contains 22 as substring.

It is an unprimeable number.

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, 41643 + ... + 43249.

It is an arithmetic number, because the mean of its divisors is an integer number (6741540).

Almost surely, 2^68210722 is an apocalyptic number.

68210722 is a deficient number, since it is larger than the sum of its proper divisors (39653918).

68210722 is a wasteful number, since it uses less digits than its factorization.

68210722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2745.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 68210722 is about 8258.9782661053. The cubic root of 68210722 is about 408.5866903963.

The spelling of 68210722 in words is "sixty-eight million, two hundred ten thousand, seven hundred twenty-two".