22049837 has 2 divisors, whose sum is σ = 22049838. Its totient is φ = 22049836.

The previous prime is 22049821. The next prime is 22049849. The reversal of 22049837 is 73894022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13645636 + 8404201 = 3694^2 + 2899^2 .

It is a cyclic number.

It is not a de Polignac number, because 22049837 - 2⁴ = 22049821 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22049797 and 22049806.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22049857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11024918 + 11024919.

It is an arithmetic number, because the mean of its divisors is an integer number (11024919).

Almost surely, 2^22049837 is an apocalyptic number.

It is an amenable number.

22049837 is a deficient number, since it is larger than the sum of its proper divisors (1).

22049837 is an equidigital number, since it uses as much as digits as its factorization.

22049837 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 22049837 is about 4695.7253965708. The cubic root of 22049837 is about 280.4153571862.

The spelling of 22049837 in words is "twenty-two million, forty-nine thousand, eight hundred thirty-seven".