22411720172 has 12 divisors (see below), whose sum is σ = 39232315080. Its totient is φ = 11202487296.

The previous prime is 22411720171. The next prime is 22411720181. The reversal of 22411720172 is 27102711422.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (22411720171) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 828218 + ... + 854849.

It is an arithmetic number, because the mean of its divisors is an integer number (3269359590).

Almost surely, 2^22411720172 is an apocalyptic number.

It is an amenable number.

22411720172 is a deficient number, since it is larger than the sum of its proper divisors (16820594908).

22411720172 is a wasteful number, since it uses less digits than its factorization.

22411720172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1686400 (or 1686398 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 29.

The spelling of 22411720172 in words is "twenty-two billion, four hundred eleven million, seven hundred twenty thousand, one hundred seventy-two".