10001222213 has 8 divisors (see below), whose sum is σ = 10613122200. Its totient is φ = 9391943680.

The previous prime is 10001222207. The next prime is 10001222233. The reversal of 10001222213 is 31222210001.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4432630084 + 5568592129 = 66578^2 + 74623^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 10001222213 - 2⁶ = 10001222149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10001222233) 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, 647498 + ... + 662763.

It is an arithmetic number, because the mean of its divisors is an integer number (1326640275).

Almost surely, 2^10001222213 is an apocalyptic number.

It is an amenable number.

10001222213 is a deficient number, since it is larger than the sum of its proper divisors (611899987).

10001222213 is a wasteful number, since it uses less digits than its factorization.

10001222213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1310727.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 10001222213 its reverse (31222210001), we get a palindrome (41223432214).

The spelling of 10001222213 in words is "ten billion, one million, two hundred twenty-two thousand, two hundred thirteen".