22050901 has 2 divisors, whose sum is σ = 22050902. Its totient is φ = 22050900.

The previous prime is 22050893. The next prime is 22050911. The reversal of 22050901 is 10905022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14814801 + 7236100 = 3849^2 + 2690^2 .

It is a cyclic number.

It is not a de Polignac number, because 22050901 - 2³ = 22050893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22050911) 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, 11025450 + 11025451.

It is an arithmetic number, because the mean of its divisors is an integer number (11025451).

Almost surely, 2^22050901 is an apocalyptic number.

It is an amenable number.

22050901 is a deficient number, since it is larger than the sum of its proper divisors (1).

22050901 is an equidigital number, since it uses as much as digits as its factorization.

22050901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 22050901 is about 4695.8386897337. The cubic root of 22050901 is about 280.4198675316.

Adding to 22050901 its reverse (10905022), we get a palindrome (32955923).

The spelling of 22050901 in words is "twenty-two million, fifty thousand, nine hundred one".