22021301 has 2 divisors, whose sum is σ = 22021302. Its totient is φ = 22021300.

The previous prime is 22021283. The next prime is 22021319. The reversal of 22021301 is 10312022.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (22021283) and next prime (22021319).

It can be written as a sum of positive squares in only one way, i.e., 14326225 + 7695076 = 3785^2 + 2774^2 .

It is a cyclic number.

It is not a de Polignac number, because 22021301 - 2¹⁰ = 22020277 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 (22021331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11010650 + 11010651.

It is an arithmetic number, because the mean of its divisors is an integer number (11010651).

Almost surely, 2^22021301 is an apocalyptic number.

It is an amenable number.

22021301 is a deficient number, since it is larger than the sum of its proper divisors (1).

22021301 is an equidigital number, since it uses as much as digits as its factorization.

22021301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 22021301 is about 4692.6859046819. The cubic root of 22021301 is about 280.2943375911.

Adding to 22021301 its reverse (10312022), we get a palindrome (32333323).

It can be divided in two parts, 22021 and 301, that added together give a palindrome (22322).

The spelling of 22021301 in words is "twenty-two million, twenty-one thousand, three hundred one".