68563422 has 48 divisors (see below), whose sum is σ = 156304512. Its totient is φ = 22521240.

The previous prime is 68563421. The next prime is 68563423. The reversal of 68563422 is 22436586.

It is an interprime number because it is at equal distance from previous prime (68563421) and next prime (68563423).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68563421) 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 23 ways as a sum of consecutive naturals, for example, 33513 + ... + 35499.

It is an arithmetic number, because the mean of its divisors is an integer number (3256344).

Almost surely, 2^68563422 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68563422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78152256).

68563422 is an abundant number, since it is smaller than the sum of its proper divisors (87741090).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68563422 is a wasteful number, since it uses less digits than its factorization.

68563422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2075 (or 2063 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 68563422 is about 8280.3032553162. The cubic root of 68563422 is about 409.2897121007.

The spelling of 68563422 in words is "sixty-eight million, five hundred sixty-three thousand, four hundred twenty-two".