22027613 has 2 divisors, whose sum is σ = 22027614. Its totient is φ = 22027612.

The previous prime is 22027547. The next prime is 22027627. The reversal of 22027613 is 31672022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22024249 + 3364 = 4693^2 + 58^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22027613 is a prime.

It is a Chen prime.

It is equal to p_1390901 and since 22027613 and 1390901 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 (22027673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11013806 + 11013807.

It is an arithmetic number, because the mean of its divisors is an integer number (11013807).

Almost surely, 2^22027613 is an apocalyptic number.

It is an amenable number.

22027613 is a deficient number, since it is larger than the sum of its proper divisors (1).

22027613 is an equidigital number, since it uses as much as digits as its factorization.

22027613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 22027613 is about 4693.3583924520. The cubic root of 22027613 is about 280.3211154345.

Adding to 22027613 its reverse (31672022), we get a palindrome (53699635).

The spelling of 22027613 in words is "twenty-two million, twenty-seven thousand, six hundred thirteen".