22026413 has 2 divisors, whose sum is σ = 22026414. Its totient is φ = 22026412.

The previous prime is 22026391. The next prime is 22026419. The reversal of 22026413 is 31462022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16630084 + 5396329 = 4078^2 + 2323^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22026413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22026419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11013206 + 11013207.

It is an arithmetic number, because the mean of its divisors is an integer number (11013207).

Almost surely, 2^22026413 is an apocalyptic number.

It is an amenable number.

22026413 is a deficient number, since it is larger than the sum of its proper divisors (1).

22026413 is an equidigital number, since it uses as much as digits as its factorization.

22026413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 22026413 is about 4693.2305504844. The cubic root of 22026413 is about 280.3160249836.

Adding to 22026413 its reverse (31462022), we get a palindrome (53488435).

The spelling of 22026413 in words is "twenty-two million, twenty-six thousand, four hundred thirteen".