72205050226 has 8 divisors (see below), whose sum is σ = 110949223644. Its totient is φ = 35221975680.

The previous prime is 72205050223. The next prime is 72205050233. The reversal of 72205050226 is 62205050227.

It can be written as a sum of positive squares in 2 ways, for example, as 67993170025 + 4211880201 = 260755^2 + 64899^2 .

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

It is not an unprimeable number, because it can be changed into a prime (72205050223) 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 3 ways as a sum of consecutive naturals, for example, 440274615 + ... + 440274778.

Almost surely, 2^72205050226 is an apocalyptic number.

72205050226 is a deficient number, since it is larger than the sum of its proper divisors (38744173418).

72205050226 is a wasteful number, since it uses less digits than its factorization.

72205050226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880549436.

The product of its (nonzero) digits is 16800, while the sum is 31.

Subtracting from 72205050226 its reverse (62205050227), we obtain a palindrome (9999999999).

The spelling of 72205050226 in words is "seventy-two billion, two hundred five million, fifty thousand, two hundred twenty-six".