22025111181 has 8 divisors (see below), whose sum is σ = 29453958144. Its totient is φ = 14639835840.

The previous prime is 22025111161. The next prime is 22025111219. The reversal of 22025111181 is 18111152022.

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

It is not a de Polignac number, because 22025111181 - 2¹³ = 22025102989 is a prime.

It is a super-2 number, since 2×22025111181² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22025111111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10891725 + ... + 10893746.

It is an arithmetic number, because the mean of its divisors is an integer number (3681744768).

Almost surely, 2^22025111181 is an apocalyptic number.

It is an amenable number.

22025111181 is a deficient number, since it is larger than the sum of its proper divisors (7428846963).

22025111181 is a wasteful number, since it uses less digits than its factorization.

22025111181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21785811.

The product of its (nonzero) digits is 320, while the sum is 24.

The spelling of 22025111181 in words is "twenty-two billion, twenty-five million, one hundred eleven thousand, one hundred eighty-one".