172228900941 has 32 divisors (see below), whose sum is σ = 261981565440. Its totient is φ = 111759782400.

The previous prime is 172228900913. The next prime is 172228900993. The reversal of 172228900941 is 149009822271.

It is not a de Polignac number, because 172228900941 - 2¹¹ = 172228898893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172228902941) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 299676 + ... + 658986.

It is an arithmetic number, because the mean of its divisors is an integer number (8186923920).

Almost surely, 2^172228900941 is an apocalyptic number.

It is an amenable number.

172228900941 is a deficient number, since it is larger than the sum of its proper divisors (89752664499).

172228900941 is a wasteful number, since it uses less digits than its factorization.

172228900941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359794 (or 359788 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The spelling of 172228900941 in words is "one hundred seventy-two billion, two hundred twenty-eight million, nine hundred thousand, nine hundred forty-one".