22461227 has 2 divisors, whose sum is σ = 22461228. Its totient is φ = 22461226.

The previous prime is 22461221. The next prime is 22461239. The reversal of 22461227 is 72216422.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22461227 - 2⁶ = 22461163 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22461196 and 22461205.

It is not a weakly prime, because it can be changed into another prime (22461221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11230613 + 11230614.

It is an arithmetic number, because the mean of its divisors is an integer number (11230614).

Almost surely, 2^22461227 is an apocalyptic number.

22461227 is a deficient number, since it is larger than the sum of its proper divisors (1).

22461227 is an equidigital number, since it uses as much as digits as its factorization.

22461227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2688, while the sum is 26.

The square root of 22461227 is about 4739.3276949373. The cubic root of 22461227 is about 282.1485519150.

Adding to 22461227 its reverse (72216422), we get a palindrome (94677649).

The spelling of 22461227 in words is "twenty-two million, four hundred sixty-one thousand, two hundred twenty-seven".