22222141 has 4 divisors (see below), whose sum is σ = 22243392. Its totient is φ = 22200892.

The previous prime is 22222129. The next prime is 22222199. The reversal of 22222141 is 14122222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14122222 = 2 ⋅7061111.

It is a cyclic number.

It is not a de Polignac number, because 22222141 - 2¹⁵ = 22189373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22522141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8971 + ... + 11176.

It is an arithmetic number, because the mean of its divisors is an integer number (5560848).

Almost surely, 2^22222141 is an apocalyptic number.

It is an amenable number.

22222141 is a deficient number, since it is larger than the sum of its proper divisors (21251).

22222141 is a wasteful number, since it uses less digits than its factorization.

22222141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21250.

The product of its digits is 128, while the sum is 16.

The square root of 22222141 is about 4714.0365929848. The cubic root of 22222141 is about 281.1438792395.

Adding to 22222141 its reverse (14122222), we get a palindrome (36344363).

The spelling of 22222141 in words is "twenty-two million, two hundred twenty-two thousand, one hundred forty-one".