222030001 has 2 divisors, whose sum is σ = 222030002. Its totient is φ = 222030000.

The previous prime is 222029999. The next prime is 222030019. The reversal of 222030001 is 100030222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 205635600 + 16394401 = 14340^2 + 4049^2 .

It is a cyclic number.

It is not a de Polignac number, because 222030001 - 2¹ = 222029999 is a prime.

Together with 222029999, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 222030001.

It is not a weakly prime, because it can be changed into another prime (222030041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111015000 + 111015001.

It is an arithmetic number, because the mean of its divisors is an integer number (111015001).

Almost surely, 2^222030001 is an apocalyptic number.

It is an amenable number.

222030001 is a deficient number, since it is larger than the sum of its proper divisors (1).

222030001 is an equidigital number, since it uses as much as digits as its factorization.

222030001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 222030001 is about 14900.6711593807. The cubic root of 222030001 is about 605.5321693269.

Adding to 222030001 its reverse (100030222), we get a palindrome (322060223).

The spelling of 222030001 in words is "two hundred twenty-two million, thirty thousand, one".