22745027 has 2 divisors, whose sum is σ = 22745028. Its totient is φ = 22745026.

The previous prime is 22744991. The next prime is 22745053. The reversal of 22745027 is 72054722.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22745027 is a prime.

It is not a weakly prime, because it can be changed into another prime (22745927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11372513 + 11372514.

It is an arithmetic number, because the mean of its divisors is an integer number (11372514).

Almost surely, 2^22745027 is an apocalyptic number.

22745027 is a deficient number, since it is larger than the sum of its proper divisors (1).

22745027 is an equidigital number, since it uses as much as digits as its factorization.

22745027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7840, while the sum is 29.

The square root of 22745027 is about 4769.1746665435. The cubic root of 22745027 is about 283.3319075668.

Adding to 22745027 its reverse (72054722), we get a palindrome (94799749).

It can be divided in two parts, 227 and 45027, that added together give a palindrome (45254).

The spelling of 22745027 in words is "twenty-two million, seven hundred forty-five thousand, twenty-seven".