10222001 has 2 divisors, whose sum is σ = 10222002. Its totient is φ = 10222000.

The previous prime is 10221973. The next prime is 10222013. The reversal of 10222001 is 10022201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10080625 + 141376 = 3175^2 + 376^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10222001 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10222001.

It is not a weakly prime, because it can be changed into another prime (10222081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5111000 + 5111001.

It is an arithmetic number, because the mean of its divisors is an integer number (5111001).

Almost surely, 2^10222001 is an apocalyptic number.

It is an amenable number.

10222001 is a deficient number, since it is larger than the sum of its proper divisors (1).

10222001 is an equidigital number, since it uses as much as digits as its factorization.

10222001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 10222001 is about 3197.1864193381. The cubic root of 10222001 is about 217.0261034523.

Adding to 10222001 its reverse (10022201), we get a palindrome (20244202).

It can be divided in two parts, 1022200 and 1, that added together give a palindrome (1022201).

The spelling of 10222001 in words is "ten million, two hundred twenty-two thousand, one".