68885722 has 8 divisors (see below), whose sum is σ = 103509396. Its totient is φ = 34382592.

The previous prime is 68885657. The next prime is 68885723. The reversal of 68885722 is 22758886.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 68873401 + 12321 = 8299^2 + 111^2 .

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

It is a super-2 number, since 2×68885722² = 9490485390922568, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (68885723) 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, 28693 + ... + 31000.

Almost surely, 2^68885722 is an apocalyptic number.

68885722 is a deficient number, since it is larger than the sum of its proper divisors (34623674).

68885722 is a wasteful number, since it uses less digits than its factorization.

68885722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60272.

The product of its digits is 430080, while the sum is 46.

The square root of 68885722 is about 8299.7422851556. The cubic root of 68885722 is about 409.9300336687.

The spelling of 68885722 in words is "sixty-eight million, eight hundred eighty-five thousand, seven hundred twenty-two".