22443061 has 2 divisors, whose sum is σ = 22443062. Its totient is φ = 22443060.

The previous prime is 22443049. The next prime is 22443107. The reversal of 22443061 is 16034422.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17380561 + 5062500 = 4169^2 + 2250^2 .

It is a cyclic number.

It is not a de Polignac number, because 22443061 - 2²¹ = 20345909 is a prime.

It is a Chen prime.

It is equal to p_1415263 and since 22443061 and 1415263 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22443011) 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 as a sum of consecutive naturals, namely, 11221530 + 11221531.

It is an arithmetic number, because the mean of its divisors is an integer number (11221531).

Almost surely, 2^22443061 is an apocalyptic number.

It is an amenable number.

22443061 is a deficient number, since it is larger than the sum of its proper divisors (1).

22443061 is an equidigital number, since it uses as much as digits as its factorization.

22443061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 22443061 is about 4737.4107907168. The cubic root of 22443061 is about 282.0724668314.

Adding to 22443061 its reverse (16034422), we get a palindrome (38477483).

The spelling of 22443061 in words is "twenty-two million, four hundred forty-three thousand, sixty-one".