12225527 has 2 divisors, whose sum is σ = 12225528. Its totient is φ = 12225526.

The previous prime is 12225491. The next prime is 12225553. The reversal of 12225527 is 72552221.

It is an a-pointer prime, because the next prime (12225553) can be obtained adding 12225527 to its sum of digits (26).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12225527 - 2⁶ = 12225463 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12225496 and 12225505.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12225427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6112763 + 6112764.

It is an arithmetic number, because the mean of its divisors is an integer number (6112764).

Almost surely, 2^12225527 is an apocalyptic number.

12225527 is a deficient number, since it is larger than the sum of its proper divisors (1).

12225527 is an equidigital number, since it uses as much as digits as its factorization.

12225527 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2800, while the sum is 26.

The square root of 12225527 is about 3496.5021092515. The cubic root of 12225527 is about 230.3682004141.

Adding to 12225527 its reverse (72552221), we get a palindrome (84777748).

The spelling of 12225527 in words is "twelve million, two hundred twenty-five thousand, five hundred twenty-seven".