222223210001 has 8 divisors (see below), whose sum is σ = 239357587560. Its totient is φ = 205094587392.

The previous prime is 222223209983. The next prime is 222223210039. The reversal of 222223210001 is 100012322222.

It can be written as a sum of positive squares in 4 ways, for example, as 9835878976 + 212387331025 = 99176^2 + 460855^2 .

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-222223210001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222223210201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1358366 + ... + 1513143.

It is an arithmetic number, because the mean of its divisors is an integer number (29919698445).

Almost surely, 2^222223210001 is an apocalyptic number.

It is an amenable number.

222223210001 is a deficient number, since it is larger than the sum of its proper divisors (17134377559).

222223210001 is a wasteful number, since it uses less digits than its factorization.

222223210001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2877475.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 222223210001 its reverse (100012322222), we get a palindrome (322235532223).

The spelling of 222223210001 in words is "two hundred twenty-two billion, two hundred twenty-three million, two hundred ten thousand, one".