77422321022 has 8 divisors (see below), whose sum is σ = 118604406816. Its totient is φ = 37887518752.

The previous prime is 77422320973. The next prime is 77422321027. The reversal of 77422321022 is 22012322477.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 77422321022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77422321027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 411820763 + ... + 411820950.

It is an arithmetic number, because the mean of its divisors is an integer number (14825550852).

Almost surely, 2^77422321022 is an apocalyptic number.

77422321022 is a deficient number, since it is larger than the sum of its proper divisors (41182085794).

77422321022 is a wasteful number, since it uses less digits than its factorization.

77422321022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823641762.

The product of its (nonzero) digits is 18816, while the sum is 32.

Adding to 77422321022 its reverse (22012322477), we get a palindrome (99434643499).

The spelling of 77422321022 in words is "seventy-seven billion, four hundred twenty-two million, three hundred twenty-one thousand, twenty-two".