22497941 has 2 divisors, whose sum is σ = 22497942. Its totient is φ = 22497940.

The previous prime is 22497931. The next prime is 22497977. The reversal of 22497941 is 14979422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20160100 + 2337841 = 4490^2 + 1529^2 .

It is a cyclic number.

It is not a de Polignac number, because 22497941 - 2¹⁸ = 22235797 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22497895 and 22497904.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22497911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11248970 + 11248971.

It is an arithmetic number, because the mean of its divisors is an integer number (11248971).

Almost surely, 2^22497941 is an apocalyptic number.

It is an amenable number.

22497941 is a deficient number, since it is larger than the sum of its proper divisors (1).

22497941 is an equidigital number, since it uses as much as digits as its factorization.

22497941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 38.

The square root of 22497941 is about 4743.1994476303. The cubic root of 22497941 is about 282.3021968764.

The spelling of 22497941 in words is "twenty-two million, four hundred ninety-seven thousand, nine hundred forty-one".