72223130222 has 16 divisors (see below), whose sum is σ = 108535360752. Its totient is φ = 36044736960.

The previous prime is 72223130219. The next prime is 72223130227. The reversal of 72223130222 is 22203132227.

It is a junction number, because it is equal to n+sod(n) for n = 72223130191 and 72223130200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72223130227) 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, 2583773 + ... + 2611575.

It is an arithmetic number, because the mean of its divisors is an integer number (6783460047).

Almost surely, 2^72223130222 is an apocalyptic number.

72223130222 is a deficient number, since it is larger than the sum of its proper divisors (36312230530).

72223130222 is a wasteful number, since it uses less digits than its factorization.

72223130222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30163.

The product of its (nonzero) digits is 4032, while the sum is 26.

Adding to 72223130222 its reverse (22203132227), we get a palindrome (94426262449).

The spelling of 72223130222 in words is "seventy-two billion, two hundred twenty-three million, one hundred thirty thousand, two hundred twenty-two".