22400041 has 2 divisors, whose sum is σ = 22400042. Its totient is φ = 22400040.

The previous prime is 22400039. The next prime is 22400051. The reversal of 22400041 is 14000422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14220441 + 8179600 = 3771^2 + 2860^2 .

It is a cyclic number.

It is not a de Polignac number, because 22400041 - 2¹ = 22400039 is a prime.

Together with 22400039, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 22399994 and 22400030.

It is not a weakly prime, because it can be changed into another prime (22400051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11200020 + 11200021.

It is an arithmetic number, because the mean of its divisors is an integer number (11200021).

Almost surely, 2^22400041 is an apocalyptic number.

It is an amenable number.

22400041 is a deficient number, since it is larger than the sum of its proper divisors (1).

22400041 is an equidigital number, since it uses as much as digits as its factorization.

22400041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 22400041 is about 4732.8681578933. The cubic root of 22400041 is about 281.8921212701.

Adding to 22400041 its reverse (14000422), we get a palindrome (36400463).

The spelling of 22400041 in words is "twenty-two million, four hundred thousand, forty-one".