22280147 has 2 divisors, whose sum is σ = 22280148. Its totient is φ = 22280146.

The previous prime is 22280129. The next prime is 22280161. The reversal of 22280147 is 74108222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22280147 - 2¹⁰ = 22279123 is a prime.

It is not a weakly prime, because it can be changed into another prime (22280117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11140073 + 11140074.

It is an arithmetic number, because the mean of its divisors is an integer number (11140074).

Almost surely, 2^22280147 is an apocalyptic number.

22280147 is a deficient number, since it is larger than the sum of its proper divisors (1).

22280147 is an equidigital number, since it uses as much as digits as its factorization.

22280147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 22280147 is about 4720.1850599314. The cubic root of 22280147 is about 281.3882880762.

Adding to 22280147 its reverse (74108222), we get a palindrome (96388369).

The spelling of 22280147 in words is "twenty-two million, two hundred eighty thousand, one hundred forty-seven".