10102209 has 16 divisors (see below), whose sum is σ = 14563584. Its totient is φ = 6192000.

The previous prime is 10102207. The next prime is 10102289. The reversal of 10102209 is 90220101.

It is a happy number.

It is not a de Polignac number, because 10102209 - 2¹ = 10102207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10102201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16509 + ... + 17109.

It is an arithmetic number, because the mean of its divisors is an integer number (910224).

Almost surely, 2^10102209 is an apocalyptic number.

It is an amenable number.

10102209 is a deficient number, since it is larger than the sum of its proper divisors (4461375).

10102209 is a wasteful number, since it uses less digits than its factorization.

10102209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1048.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 10102209 is about 3178.3972376026. The cubic root of 10102209 is about 216.1749910813.

The spelling of 10102209 in words is "ten million, one hundred two thousand, two hundred nine".