68422112 has 72 divisors (see below), whose sum is σ = 152028576. Its totient is φ = 30272000.

The previous prime is 68422111. The next prime is 68422187. The reversal of 68422112 is 21122486.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68422111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 158537 + ... + 158967.

It is an arithmetic number, because the mean of its divisors is an integer number (2111508).

Almost surely, 2^68422112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68422112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76014288).

68422112 is an abundant number, since it is smaller than the sum of its proper divisors (83606464).

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

68422112 is a wasteful number, since it uses less digits than its factorization.

68422112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504 (or 485 counting only the distinct ones).

The product of its digits is 1536, while the sum is 26.

The square root of 68422112 is about 8271.7659541358. The cubic root of 68422112 is about 409.0083351063.

Adding to 68422112 its reverse (21122486), we get a palindrome (89544598).

The spelling of 68422112 in words is "sixty-eight million, four hundred twenty-two thousand, one hundred twelve".