22423441 has 2 divisors, whose sum is σ = 22423442. Its totient is φ = 22423440.

The previous prime is 22423403. The next prime is 22423463. The reversal of 22423441 is 14432422.

It is a happy number.

It is an a-pointer prime, because the next prime (22423463) can be obtained adding 22423441 to its sum of digits (22).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19989841 + 2433600 = 4471^2 + 1560^2 .

It is a cyclic number.

It is not a de Polignac number, because 22423441 - 2¹¹ = 22421393 is a prime.

It is not a weakly prime, because it can be changed into another prime (22420441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11211720 + 11211721.

It is an arithmetic number, because the mean of its divisors is an integer number (11211721).

Almost surely, 2^22423441 is an apocalyptic number.

It is an amenable number.

22423441 is a deficient number, since it is larger than the sum of its proper divisors (1).

22423441 is an equidigital number, since it uses as much as digits as its factorization.

22423441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1536, while the sum is 22.

The square root of 22423441 is about 4735.3395865555. The cubic root of 22423441 is about 281.9902457938.

Adding to 22423441 its reverse (14432422), we get a palindrome (36855863).

The spelling of 22423441 in words is "twenty-two million, four hundred twenty-three thousand, four hundred forty-one".