22715227 has 2 divisors, whose sum is σ = 22715228. Its totient is φ = 22715226.

The previous prime is 22715221. The next prime is 22715233. The reversal of 22715227 is 72251722.

It is a balanced prime because it is at equal distance from previous prime (22715221) and next prime (22715233).

It is a cyclic number.

It is not a de Polignac number, because 22715227 - 2¹¹ = 22713179 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 22715195 and 22715204.

It is not a weakly prime, because it can be changed into another prime (22715221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11357613 + 11357614.

It is an arithmetic number, because the mean of its divisors is an integer number (11357614).

Almost surely, 2^22715227 is an apocalyptic number.

22715227 is a deficient number, since it is larger than the sum of its proper divisors (1).

22715227 is an equidigital number, since it uses as much as digits as its factorization.

22715227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3920, while the sum is 28.

The square root of 22715227 is about 4766.0494122491. The cubic root of 22715227 is about 283.2081152183.

Adding to 22715227 its reverse (72251722), we get a palindrome (94966949).

The spelling of 22715227 in words is "twenty-two million, seven hundred fifteen thousand, two hundred twenty-seven".