102225601 has 2 divisors, whose sum is σ = 102225602. Its totient is φ = 102225600.

The previous prime is 102225589. The next prime is 102225619. The reversal of 102225601 is 106522201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100400400 + 1825201 = 10020^2 + 1351^2 .

It is a cyclic number.

It is not a de Polignac number, because 102225601 - 2⁹ = 102225089 is a prime.

It is a super-2 number, since 2×102225601² = 20900146999622402, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (102225661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51112800 + 51112801.

It is an arithmetic number, because the mean of its divisors is an integer number (51112801).

Almost surely, 2^102225601 is an apocalyptic number.

It is an amenable number.

102225601 is a deficient number, since it is larger than the sum of its proper divisors (1).

102225601 is an equidigital number, since it uses as much as digits as its factorization.

102225601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 102225601 is about 10110.6676831948. The cubic root of 102225601 is about 467.5770904356.

Adding to 102225601 its reverse (106522201), we get a palindrome (208747802).

The spelling of 102225601 in words is "one hundred two million, two hundred twenty-five thousand, six hundred one".