72222449569 has 8 divisors (see below), whose sum is σ = 75402751680. Its totient is φ = 69045497136.

The previous prime is 72222449557. The next prime is 72222449573. The reversal of 72222449569 is 96594422227.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 72222449569 - 2²⁷ = 72088231841 is a prime.

It is a super-3 number, since 3×72222449569³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72222449549) 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 in 7 ways as a sum of consecutive naturals, for example, 793299 + ... + 879640.

It is an arithmetic number, because the mean of its divisors is an integer number (9425343960).

Almost surely, 2^72222449569 is an apocalyptic number.

It is an amenable number.

72222449569 is a deficient number, since it is larger than the sum of its proper divisors (3180302111).

72222449569 is a wasteful number, since it uses less digits than its factorization.

72222449569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1674839.

The product of its digits is 4354560, while the sum is 52.

The spelling of 72222449569 in words is "seventy-two billion, two hundred twenty-two million, four hundred forty-nine thousand, five hundred sixty-nine".