42068822 has 4 divisors (see below), whose sum is σ = 63103236. Its totient is φ = 21034410.

The previous prime is 42068797. The next prime is 42068827. The reversal of 42068822 is 22886024.

It is a happy number.

42068822 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42068827) 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 as a sum of consecutive naturals, namely, 10517204 + ... + 10517207.

It is an arithmetic number, because the mean of its divisors is an integer number (15775809).

Almost surely, 2^42068822 is an apocalyptic number.

42068822 is a deficient number, since it is larger than the sum of its proper divisors (21034414).

42068822 is a wasteful number, since it uses less digits than its factorization.

42068822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21034413.

The product of its (nonzero) digits is 12288, while the sum is 32.

The square root of 42068822 is about 6486.0482576065. The cubic root of 42068822 is about 347.7924236610.

The spelling of 42068822 in words is "forty-two million, sixty-eight thousand, eight hundred twenty-two".