68558022 has 64 divisors (see below), whose sum is σ = 166864320. Its totient is φ = 20736000.

The previous prime is 68558011. The next prime is 68558041. The reversal of 68558022 is 22085586.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42022 + ... + 43622.

It is an arithmetic number, because the mean of its divisors is an integer number (2607255).

Almost surely, 2^68558022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68558022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83432160).

68558022 is an abundant number, since it is smaller than the sum of its proper divisors (98306298).

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

68558022 is a wasteful number, since it uses less digits than its factorization.

68558022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1686 (or 1680 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The square root of 68558022 is about 8279.9771738816. The cubic root of 68558022 is about 409.2789667091.

The spelling of 68558022 in words is "sixty-eight million, five hundred fifty-eight thousand, twenty-two".