22111141 has 8 divisors (see below), whose sum is σ = 23946104. Its totient is φ = 20295360.

The previous prime is 22111127. The next prime is 22111151. The reversal of 22111141 is 14111122.

It can be written as a sum of positive squares in 4 ways, for example, as 5062500 + 17048641 = 2250^2 + 4129^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 22111141 - 2⁵ = 22111109 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22111121) 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, 2346 + ... + 7051.

It is an arithmetic number, because the mean of its divisors is an integer number (2993263).

Almost surely, 2^22111141 is an apocalyptic number.

It is an amenable number.

22111141 is a deficient number, since it is larger than the sum of its proper divisors (1834963).

22111141 is a wasteful number, since it uses less digits than its factorization.

22111141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9591.

The product of its digits is 16, while the sum is 13.

The square root of 22111141 is about 4702.2485047050. The cubic root of 22111141 is about 280.6749913997.

Adding to 22111141 its reverse (14111122), we get a palindrome (36222263).

The spelling of 22111141 in words is "twenty-two million, one hundred eleven thousand, one hundred forty-one".