22422241 has 4 divisors (see below), whose sum is σ = 22434052. Its totient is φ = 22410432.

The previous prime is 22422227. The next prime is 22422247. The reversal of 22422241 is 14222422.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 12278016 + 10144225 = 3504^2 + 3185^2 .

It is a cyclic number.

It is not a de Polignac number, because 22422241 - 2¹⁵ = 22389473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22422247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2340 + ... + 7093.

It is an arithmetic number, because the mean of its divisors is an integer number (5608513).

Almost surely, 2^22422241 is an apocalyptic number.

It is an amenable number.

22422241 is a deficient number, since it is larger than the sum of its proper divisors (11811).

22422241 is an equidigital number, since it uses as much as digits as its factorization.

22422241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11810.

The product of its digits is 512, while the sum is 19.

The square root of 22422241 is about 4735.2128780024. The cubic root of 22422241 is about 281.9852154280.

Adding to 22422241 its reverse (14222422), we get a palindrome (36644663).

The spelling of 22422241 in words is "twenty-two million, four hundred twenty-two thousand, two hundred forty-one".