22408361 has 2 divisors, whose sum is σ = 22408362. Its totient is φ = 22408360.

The previous prime is 22408349. The next prime is 22408367. The reversal of 22408361 is 16380422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20757136 + 1651225 = 4556^2 + 1285^2 .

It is a cyclic number.

It is not a de Polignac number, because 22408361 - 2⁶ = 22408297 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22408361.

It is not a weakly prime, because it can be changed into another prime (22408367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11204180 + 11204181.

It is an arithmetic number, because the mean of its divisors is an integer number (11204181).

Almost surely, 2^22408361 is an apocalyptic number.

It is an amenable number.

22408361 is a deficient number, since it is larger than the sum of its proper divisors (1).

22408361 is an equidigital number, since it uses as much as digits as its factorization.

22408361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 22408361 is about 4733.7470359114. The cubic root of 22408361 is about 281.9270178154.

Adding to 22408361 its reverse (16380422), we get a palindrome (38788783).

It can be divided in two parts, 2240 and 8361, that added together give a palindrome (10601).

The spelling of 22408361 in words is "twenty-two million, four hundred eight thousand, three hundred sixty-one".