22224361 has 2 divisors, whose sum is σ = 22224362. Its totient is φ = 22224360.

The previous prime is 22224317. The next prime is 22224401. The reversal of 22224361 is 16342222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18224361 + 4000000 = 4269^2 + 2000^2 .

It is a cyclic number.

It is not a de Polignac number, because 22224361 - 2⁹ = 22223849 is a prime.

It is not a weakly prime, because it can be changed into another prime (22224311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11112180 + 11112181.

It is an arithmetic number, because the mean of its divisors is an integer number (11112181).

Almost surely, 2^22224361 is an apocalyptic number.

It is an amenable number.

22224361 is a deficient number, since it is larger than the sum of its proper divisors (1).

22224361 is an equidigital number, since it uses as much as digits as its factorization.

22224361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1152, while the sum is 22.

The square root of 22224361 is about 4714.2720540928. The cubic root of 22224361 is about 281.1532410531.

Adding to 22224361 its reverse (16342222), we get a palindrome (38566583).

The spelling of 22224361 in words is "twenty-two million, two hundred twenty-four thousand, three hundred sixty-one".