22141247 has 2 divisors, whose sum is σ = 22141248. Its totient is φ = 22141246.

The previous prime is 22141241. The next prime is 22141261. The reversal of 22141247 is 74214122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22141247 - 2¹⁸ = 21879103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22141241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11070623 + 11070624.

It is an arithmetic number, because the mean of its divisors is an integer number (11070624).

Almost surely, 2^22141247 is an apocalyptic number.

22141247 is a deficient number, since it is larger than the sum of its proper divisors (1).

22141247 is an equidigital number, since it uses as much as digits as its factorization.

22141247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 896, while the sum is 23.

The square root of 22141247 is about 4705.4486502352. The cubic root of 22141247 is about 280.8023204098.

Adding to 22141247 its reverse (74214122), we get a palindrome (96355369).

The spelling of 22141247 in words is "twenty-two million, one hundred forty-one thousand, two hundred forty-seven".