100022201 has 2 divisors, whose sum is σ = 100022202. Its totient is φ = 100022200.

The previous prime is 100022149. The next prime is 100022227. The reversal of 100022201 is 102220001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 100000000 + 22201 = 10000^2 + 149^2 .

It is a cyclic number.

It is not a de Polignac number, because 100022201 - 2¹⁰ = 100021177 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (100022401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50011100 + 50011101.

It is an arithmetic number, because the mean of its divisors is an integer number (50011101).

Almost surely, 2^100022201 is an apocalyptic number.

It is an amenable number.

100022201 is a deficient number, since it is larger than the sum of its proper divisors (1).

100022201 is an equidigital number, since it uses as much as digits as its factorization.

100022201 is an evil number, because the sum of its binary digits is even.

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

The square root of 100022201 is about 10001.1099883963. The cubic root of 100022201 is about 464.1932301242.

Adding to 100022201 its reverse (102220001), we get a palindrome (202242202).

The spelling of 100022201 in words is "one hundred million, twenty-two thousand, two hundred one".