22213321001 has 2 divisors, whose sum is σ = 22213321002. Its totient is φ = 22213321000.

The previous prime is 22213320989. The next prime is 22213321003. The reversal of 22213321001 is 10012331222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21669312025 + 544008976 = 147205^2 + 23324^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22213321001 is a prime.

Together with 22213321003, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22213321003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11106660500 + 11106660501.

It is an arithmetic number, because the mean of its divisors is an integer number (11106660501).

Almost surely, 2^22213321001 is an apocalyptic number.

It is an amenable number.

22213321001 is a deficient number, since it is larger than the sum of its proper divisors (1).

22213321001 is an equidigital number, since it uses as much as digits as its factorization.

22213321001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 22213321001 its reverse (10012331222), we get a palindrome (32225652223).

The spelling of 22213321001 in words is "twenty-two billion, two hundred thirteen million, three hundred twenty-one thousand, one".