22345441 has 2 divisors, whose sum is σ = 22345442. Its totient is φ = 22345440.

The previous prime is 22345403. The next prime is 22345469. The reversal of 22345441 is 14454322.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22287841 + 57600 = 4721^2 + 240^2 .

It is a cyclic number.

It is not a de Polignac number, because 22345441 - 2¹⁹ = 21821153 is a prime.

It is not a weakly prime, because it can be changed into another prime (22345471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11172720 + 11172721.

It is an arithmetic number, because the mean of its divisors is an integer number (11172721).

Almost surely, 2^22345441 is an apocalyptic number.

It is an amenable number.

22345441 is a deficient number, since it is larger than the sum of its proper divisors (1).

22345441 is an equidigital number, since it uses as much as digits as its factorization.

22345441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3840, while the sum is 25.

The square root of 22345441 is about 4727.0964661196. The cubic root of 22345441 is about 281.6628979963.

Adding to 22345441 its reverse (14454322), we get a palindrome (36799763).

The spelling of 22345441 in words is "twenty-two million, three hundred forty-five thousand, four hundred forty-one".