222210001 has 8 divisors (see below), whose sum is σ = 239442560. Its totient is φ = 204997392.

The previous prime is 222209983. The next prime is 222210013. The reversal of 222210001 is 100012222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222210001 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 222210001.

It is not an unprimeable number, because it can be changed into a prime (222210041) 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 in 7 ways as a sum of consecutive naturals, for example, 24760 + ... + 32518.

It is an arithmetic number, because the mean of its divisors is an integer number (29930320).

Almost surely, 2^222210001 is an apocalyptic number.

It is an amenable number.

222210001 is a deficient number, since it is larger than the sum of its proper divisors (17232559).

222210001 is a wasteful number, since it uses less digits than its factorization.

222210001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9975.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 222210001 is about 14906.7099321078. The cubic root of 222210001 is about 605.6957603565.

Adding to 222210001 its reverse (100012222), we get a palindrome (322222223).

It can be divided in two parts, 2222 and 10001, that multiplied together give a palindrome (22222222).

The spelling of 222210001 in words is "two hundred twenty-two million, two hundred ten thousand, one".