22407641 has 2 divisors, whose sum is σ = 22407642. Its totient is φ = 22407640.

The previous prime is 22407629. The next prime is 22407643. The reversal of 22407641 is 14670422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16032016 + 6375625 = 4004^2 + 2525^2 .

It is a cyclic number.

It is not a de Polignac number, because 22407641 - 2⁶ = 22407577 is a prime.

Together with 22407643, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22407641.

It is not a weakly prime, because it can be changed into another prime (22407643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11203820 + 11203821.

It is an arithmetic number, because the mean of its divisors is an integer number (11203821).

Almost surely, 2^22407641 is an apocalyptic number.

It is an amenable number.

22407641 is a deficient number, since it is larger than the sum of its proper divisors (1).

22407641 is an equidigital number, since it uses as much as digits as its factorization.

22407641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 22407641 is about 4733.6709856094. The cubic root of 22407641 is about 281.9239982635.

The spelling of 22407641 in words is "twenty-two million, four hundred seven thousand, six hundred forty-one".