22543441 has 2 divisors, whose sum is σ = 22543442. Its totient is φ = 22543440.

The previous prime is 22543429. The next prime is 22543453. The reversal of 22543441 is 14434522.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (22543429) and next prime (22543453).

It can be written as a sum of positive squares in only one way, i.e., 15366400 + 7177041 = 3920^2 + 2679^2 .

It is a cyclic number.

It is not a de Polignac number, because 22543441 - 2¹⁵ = 22510673 is a prime.

It is not a weakly prime, because it can be changed into another prime (22543141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11271720 + 11271721.

It is an arithmetic number, because the mean of its divisors is an integer number (11271721).

Almost surely, 2^22543441 is an apocalyptic number.

It is an amenable number.

22543441 is a deficient number, since it is larger than the sum of its proper divisors (1).

22543441 is an equidigital number, since it uses as much as digits as its factorization.

22543441 is an odious number, because the sum of its binary digits is odd.

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

The square root of 22543441 is about 4747.9933656230. The cubic root of 22543441 is about 282.4923787330.

Adding to 22543441 its reverse (14434522), we get a palindrome (36977963).

The spelling of 22543441 in words is "twenty-two million, five hundred forty-three thousand, four hundred forty-one".