10222221001 has 2 divisors, whose sum is σ = 10222221002. Its totient is φ = 10222221000.

The previous prime is 10222220977. The next prime is 10222221007. The reversal of 10222221001 is 10012222201.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10084979776 + 137241225 = 100424^2 + 11715^2 .

It is a cyclic number.

It is not a de Polignac number, because 10222221001 - 2¹⁹ = 10221696713 is a prime.

It is not a weakly prime, because it can be changed into another prime (10222221007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5111110500 + 5111110501.

It is an arithmetic number, because the mean of its divisors is an integer number (5111110501).

Almost surely, 2^10222221001 is an apocalyptic number.

It is an amenable number.

10222221001 is a deficient number, since it is larger than the sum of its proper divisors (1).

10222221001 is an equidigital number, since it uses as much as digits as its factorization.

10222221001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 10222221001 its reverse (10012222201), we get a palindrome (20234443202).

The spelling of 10222221001 in words is "ten billion, two hundred twenty-two million, two hundred twenty-one thousand, one".