22442441 has 6 divisors (see below), whose sum is σ = 26106570. Its totient is φ = 19236336.

The previous prime is 22442423. The next prime is 22442467. The reversal of 22442441 is 14424422.

It can be written as a sum of positive squares in only one way, i.e., 11526025 + 10916416 = 3395^2 + 3304^2 .

It is not a de Polignac number, because 22442441 - 2²² = 18248137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22442341) 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 5 ways as a sum of consecutive naturals, for example, 228956 + ... + 229053.

It is an arithmetic number, because the mean of its divisors is an integer number (4351095).

Almost surely, 2^22442441 is an apocalyptic number.

It is an amenable number.

22442441 is a deficient number, since it is larger than the sum of its proper divisors (3664129).

22442441 is an equidigital number, since it uses as much as digits as its factorization.

22442441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458023 (or 458016 counting only the distinct ones).

The product of its digits is 2048, while the sum is 23.

The square root of 22442441 is about 4737.3453536765. The cubic root of 22442441 is about 282.0698693464.

Adding to 22442441 its reverse (14424422), we get a palindrome (36866863).

The spelling of 22442441 in words is "twenty-two million, four hundred forty-two thousand, four hundred forty-one".