22408367181 has 16 divisors (see below), whose sum is σ = 30639372288. Its totient is φ = 14558918400.

The previous prime is 22408367167. The next prime is 22408367203. The reversal of 22408367181 is 18176380422.

It is not a de Polignac number, because 22408367181 - 2⁷ = 22408367053 is a prime.

It is a super-2 number, since 2×22408367181² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22408367881) 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 15 ways as a sum of consecutive naturals, for example, 18036 + ... + 212466.

It is an arithmetic number, because the mean of its divisors is an integer number (1914960768).

Almost surely, 2^22408367181 is an apocalyptic number.

It is an amenable number.

22408367181 is a deficient number, since it is larger than the sum of its proper divisors (8231005107).

22408367181 is a wasteful number, since it uses less digits than its factorization.

22408367181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195412.

The product of its (nonzero) digits is 129024, while the sum is 42.

The spelling of 22408367181 in words is "twenty-two billion, four hundred eight million, three hundred sixty-seven thousand, one hundred eighty-one".