72223304144422 has 32 divisors (see below), whose sum is σ = 112849084707840. Its totient is φ = 34641180094080.

The previous prime is 72223304144377. The next prime is 72223304144447. The reversal of 72223304144422 is 22444140332227.

It is a super-3 number, since 3×72223304144422³ (a number of 43 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 17452354 + ... + 21190357.

It is an arithmetic number, because the mean of its divisors is an integer number (3526533897120).

Almost surely, 2^{72223304144422} is an apocalyptic number.

72223304144422 is a deficient number, since it is larger than the sum of its proper divisors (40625780563418).

72223304144422 is a wasteful number, since it uses less digits than its factorization.

72223304144422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38643156.

The product of its (nonzero) digits is 516096, while the sum is 40.

Adding to 72223304144422 its reverse (22444140332227), we get a palindrome (94667444476649).

The spelling of 72223304144422 in words is "seventy-two trillion, two hundred twenty-three billion, three hundred four million, one hundred forty-four thousand, four hundred twenty-two".