22499941 has 2 divisors, whose sum is σ = 22499942. Its totient is φ = 22499940.

The previous prime is 22499909. The next prime is 22499963. The reversal of 22499941 is 14999422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20511841 + 1988100 = 4529^2 + 1410^2 .

It is a cyclic number.

It is not a de Polignac number, because 22499941 - 2⁵ = 22499909 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 22499894 and 22499903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22499341) 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, 11249970 + 11249971.

It is an arithmetic number, because the mean of its divisors is an integer number (11249971).

Almost surely, 2^22499941 is an apocalyptic number.

It is an amenable number.

22499941 is a deficient number, since it is larger than the sum of its proper divisors (1).

22499941 is an equidigital number, since it uses as much as digits as its factorization.

22499941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46656, while the sum is 40.

The square root of 22499941 is about 4743.4102711024. The cubic root of 22499941 is about 282.3105619035.

The spelling of 22499941 in words is "twenty-two million, four hundred ninety-nine thousand, nine hundred forty-one".