15002201 has 2 divisors, whose sum is σ = 15002202. Its totient is φ = 15002200.

The previous prime is 15002189. The next prime is 15002209. The reversal of 15002201 is 10220051.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14478025 + 524176 = 3805^2 + 724^2 .

It is an emirp because it is prime and its reverse (10220051) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 15002201 - 2²² = 10807897 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (15002209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7501100 + 7501101.

It is an arithmetic number, because the mean of its divisors is an integer number (7501101).

Almost surely, 2^15002201 is an apocalyptic number.

It is an amenable number.

15002201 is a deficient number, since it is larger than the sum of its proper divisors (1).

15002201 is an equidigital number, since it uses as much as digits as its factorization.

15002201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20, while the sum is 11.

The square root of 15002201 is about 3873.2674836629. The cubic root of 15002201 is about 246.6332693604.

Adding to 15002201 its reverse (10220051), we get a palindrome (25222252).

The spelling of 15002201 in words is "fifteen million, two thousand, two hundred one".