72220857143 has 8 divisors (see below), whose sum is σ = 73522402800. Its totient is φ = 70930679040.

The previous prime is 72220857103. The next prime is 72220857179. The reversal of 72220857143 is 34175802227.

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 72220857143 - 2¹⁰ = 72220856119 is a prime.

It is a super-2 number, since 2×72220857143² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 72220857143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72220857103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2829068 + ... + 2854481.

It is an arithmetic number, because the mean of its divisors is an integer number (9190300350).

Almost surely, 2^72220857143 is an apocalyptic number.

72220857143 is a deficient number, since it is larger than the sum of its proper divisors (1301545657).

72220857143 is a wasteful number, since it uses less digits than its factorization.

72220857143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5683777.

The product of its (nonzero) digits is 188160, while the sum is 41.

The spelling of 72220857143 in words is "seventy-two billion, two hundred twenty million, eight hundred fifty-seven thousand, one hundred forty-three".