222021301 has 2 divisors, whose sum is σ = 222021302. Its totient is φ = 222021300.

The previous prime is 222021281. The next prime is 222021311. The reversal of 222021301 is 103120222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 221116900 + 904401 = 14870^2 + 951^2 .

It is a cyclic number.

It is not a de Polignac number, because 222021301 - 2⁹ = 222020789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222021311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111010650 + 111010651.

It is an arithmetic number, because the mean of its divisors is an integer number (111010651).

Almost surely, 2^222021301 is an apocalyptic number.

It is an amenable number.

222021301 is a deficient number, since it is larger than the sum of its proper divisors (1).

222021301 is an equidigital number, since it uses as much as digits as its factorization.

222021301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 222021301 is about 14900.3792233621. The cubic root of 222021301 is about 605.5242601875.

Adding to 222021301 its reverse (103120222), we get a palindrome (325141523).

The spelling of 222021301 in words is "two hundred twenty-two million, twenty-one thousand, three hundred one".