22102441 has 2 divisors, whose sum is σ = 22102442. Its totient is φ = 22102440.

The previous prime is 22102439. The next prime is 22102463. The reversal of 22102441 is 14420122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20611600 + 1490841 = 4540^2 + 1221^2 .

It is a cyclic number.

It is not a de Polignac number, because 22102441 - 2¹ = 22102439 is a prime.

Together with 22102439, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (22105441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11051220 + 11051221.

It is an arithmetic number, because the mean of its divisors is an integer number (11051221).

Almost surely, 2^22102441 is an apocalyptic number.

It is an amenable number.

22102441 is a deficient number, since it is larger than the sum of its proper divisors (1).

22102441 is an equidigital number, since it uses as much as digits as its factorization.

22102441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 22102441 is about 4701.3233243418. The cubic root of 22102441 is about 280.6381744732.

Adding to 22102441 its reverse (14420122), we get a palindrome (36522563).

The spelling of 22102441 in words is "twenty-two million, one hundred two thousand, four hundred forty-one".