42722822722 has 4 divisors (see below), whose sum is σ = 64084234086. Its totient is φ = 21361411360.

The previous prime is 42722822717. The next prime is 42722822729. The reversal of 42722822722 is 22722822724.

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

It can be written as a sum of positive squares in only one way, i.e., 22075719241 + 20647103481 = 148579^2 + 143691^2 .

It is not an unprimeable number, because it can be changed into a prime (42722822729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10680705679 + ... + 10680705682.

Almost surely, 2^42722822722 is an apocalyptic number.

42722822722 is a deficient number, since it is larger than the sum of its proper divisors (21361411364).

42722822722 is a wasteful number, since it uses less digits than its factorization.

42722822722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21361411363.

The product of its digits is 200704, while the sum is 40.

The spelling of 42722822722 in words is "forty-two billion, seven hundred twenty-two million, eight hundred twenty-two thousand, seven hundred twenty-two".