22228841 has 4 divisors (see below), whose sum is σ = 23398800. Its totient is φ = 21058884.

The previous prime is 22228837. The next prime is 22228853. The reversal of 22228841 is 14882222.

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: 14882222 = 2 ⋅7441111.

It is a cyclic number.

It is not a de Polignac number, because 22228841 - 2² = 22228837 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22228831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 584951 + ... + 584988.

It is an arithmetic number, because the mean of its divisors is an integer number (5849700).

Almost surely, 2^22228841 is an apocalyptic number.

It is an amenable number.

22228841 is a deficient number, since it is larger than the sum of its proper divisors (1169959).

22228841 is a wasteful number, since it uses less digits than its factorization.

22228841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1169958.

The product of its digits is 4096, while the sum is 29.

The square root of 22228841 is about 4714.7471830417. The cubic root of 22228841 is about 281.1721314634.

The spelling of 22228841 in words is "twenty-two million, two hundred twenty-eight thousand, eight hundred forty-one".