22025837 has 2 divisors, whose sum is σ = 22025838. Its totient is φ = 22025836.

The previous prime is 22025831. The next prime is 22025869. The reversal of 22025837 is 73852022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20124196 + 1901641 = 4486^2 + 1379^2 .

It is a cyclic number.

It is not a de Polignac number, because 22025837 - 2¹⁴ = 22009453 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22025831) 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, 11012918 + 11012919.

It is an arithmetic number, because the mean of its divisors is an integer number (11012919).

Almost surely, 2^22025837 is an apocalyptic number.

It is an amenable number.

22025837 is a deficient number, since it is larger than the sum of its proper divisors (1).

22025837 is an equidigital number, since it uses as much as digits as its factorization.

22025837 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 22025837 is about 4693.1691851030. The cubic root of 22025837 is about 280.3135815015.

Adding to 22025837 its reverse (73852022), we get a palindrome (95877859).

The spelling of 22025837 in words is "twenty-two million, twenty-five thousand, eight hundred thirty-seven".