222203101 has 2 divisors, whose sum is σ = 222203102. Its totient is φ = 222203100.

The previous prime is 222203099. The next prime is 222203129. The reversal of 222203101 is 101302222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 209960100 + 12243001 = 14490^2 + 3499^2 .

It is a cyclic number.

It is not a de Polignac number, because 222203101 - 2¹ = 222203099 is a prime.

Together with 222203099, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222203171) 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, 111101550 + 111101551.

It is an arithmetic number, because the mean of its divisors is an integer number (111101551).

Almost surely, 2^222203101 is an apocalyptic number.

It is an amenable number.

222203101 is a deficient number, since it is larger than the sum of its proper divisors (1).

222203101 is an equidigital number, since it uses as much as digits as its factorization.

222203101 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 222203101 is about 14906.4784909113. The cubic root of 222203101 is about 605.6894909957.

Adding to 222203101 its reverse (101302222), we get a palindrome (323505323).

The spelling of 222203101 in words is "two hundred twenty-two million, two hundred three thousand, one hundred one".