22635227 has 2 divisors, whose sum is σ = 22635228. Its totient is φ = 22635226.

The previous prime is 22635203. The next prime is 22635253. The reversal of 22635227 is 72253622.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22635227 - 2¹⁸ = 22373083 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 22635227.

It is not a weakly prime, because it can be changed into another prime (22635257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11317613 + 11317614.

It is an arithmetic number, because the mean of its divisors is an integer number (11317614).

Almost surely, 2^22635227 is an apocalyptic number.

22635227 is a deficient number, since it is larger than the sum of its proper divisors (1).

22635227 is an equidigital number, since it uses as much as digits as its factorization.

22635227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10080, while the sum is 29.

The square root of 22635227 is about 4757.6493145250. The cubic root of 22635227 is about 282.8752504065.

Adding to 22635227 its reverse (72253622), we get a palindrome (94888849).

It can be divided in two parts, 226 and 35227, that added together give a palindrome (35453).

The spelling of 22635227 in words is "twenty-two million, six hundred thirty-five thousand, two hundred twenty-seven".