22841869 has 2 divisors, whose sum is σ = 22841870. Its totient is φ = 22841868.

The previous prime is 22841867. The next prime is 22841893. The reversal of 22841869 is 96814822.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14062500 + 8779369 = 3750^2 + 2963^2 .

It is a cyclic number.

It is not a de Polignac number, because 22841869 - 2¹ = 22841867 is a prime.

It is a super-2 number, since 2×22841869² = 1043501958826322, which contains 22 as substring.

Together with 22841867, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22841867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11420934 + 11420935.

It is an arithmetic number, because the mean of its divisors is an integer number (11420935).

Almost surely, 2^22841869 is an apocalyptic number.

It is an amenable number.

22841869 is a deficient number, since it is larger than the sum of its proper divisors (1).

22841869 is an equidigital number, since it uses as much as digits as its factorization.

22841869 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 55296, while the sum is 40.

The square root of 22841869 is about 4779.3167921786. The cubic root of 22841869 is about 283.7334543711.

The spelling of 22841869 in words is "twenty-two million, eight hundred forty-one thousand, eight hundred sixty-nine".