72220205071122 has 8 divisors (see below), whose sum is σ = 144440410142256. Its totient is φ = 24073401690372.

The previous prime is 72220205071099. The next prime is 72220205071127. The reversal of 72220205071122 is 22117050202227.

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

72220205071122 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (72220205071127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6018350422588 + ... + 6018350422599.

It is an arithmetic number, because the mean of its divisors is an integer number (18055051267782).

Almost surely, 2^{72220205071122} is an apocalyptic number.

72220205071122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

72220205071122 is a wasteful number, since it uses less digits than its factorization.

72220205071122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12036700845192.

The product of its (nonzero) digits is 15680, while the sum is 33.

Adding to 72220205071122 its reverse (22117050202227), we get a palindrome (94337255273349).

The spelling of 72220205071122 in words is "seventy-two trillion, two hundred twenty billion, two hundred five million, seventy-one thousand, one hundred twenty-two".