22445413 has 2 divisors, whose sum is σ = 22445414. Its totient is φ = 22445412.

The previous prime is 22445407. The next prime is 22445419. The reversal of 22445413 is 31454422.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (22445407) and next prime (22445419).

It can be written as a sum of positive squares in only one way, i.e., 12723489 + 9721924 = 3567^2 + 3118^2 .

It is a cyclic number.

It is not a de Polignac number, because 22445413 - 2⁹ = 22444901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22445419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11222706 + 11222707.

It is an arithmetic number, because the mean of its divisors is an integer number (11222707).

Almost surely, 2^22445413 is an apocalyptic number.

It is an amenable number.

22445413 is a deficient number, since it is larger than the sum of its proper divisors (1).

22445413 is an equidigital number, since it uses as much as digits as its factorization.

22445413 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 22445413 is about 4737.6590210778. The cubic root of 22445413 is about 282.0823200813.

Adding to 22445413 its reverse (31454422), we get a palindrome (53899835).

Subtracting 22445413 from its reverse (31454422), we obtain a palindrome (9009009).

The spelling of 22445413 in words is "twenty-two million, four hundred forty-five thousand, four hundred thirteen".