22041013 has 2 divisors, whose sum is σ = 22041014. Its totient is φ = 22041012.

The previous prime is 22041001. The next prime is 22041029. The reversal of 22041013 is 31014022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19554084 + 2486929 = 4422^2 + 1577^2 .

It is a cyclic number.

It is not a de Polignac number, because 22041013 - 2⁵ = 22040981 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22040984 and 22041002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22044013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11020506 + 11020507.

It is an arithmetic number, because the mean of its divisors is an integer number (11020507).

Almost surely, 2^22041013 is an apocalyptic number.

It is an amenable number.

22041013 is a deficient number, since it is larger than the sum of its proper divisors (1).

22041013 is an equidigital number, since it uses as much as digits as its factorization.

22041013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 22041013 is about 4694.7857246098. The cubic root of 22041013 is about 280.3779462482.

Adding to 22041013 its reverse (31014022), we get a palindrome (53055035).

The spelling of 22041013 in words is "twenty-two million, forty-one thousand, thirteen".