165225202 has 8 divisors (see below), whose sum is σ = 254536236. Its totient is φ = 80379792.

The previous prime is 165225167. The next prime is 165225211. The reversal of 165225202 is 202522561.

It is a happy number.

165225202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 163558521 + 1666681 = 12789^2 + 1291^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1116313 + ... + 1116460.

Almost surely, 2^165225202 is an apocalyptic number.

165225202 is a deficient number, since it is larger than the sum of its proper divisors (89311034).

165225202 is a wasteful number, since it uses less digits than its factorization.

165225202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2232812.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 165225202 is about 12853.9955655819. The cubic root of 165225202 is about 548.7300750164.

Adding to 165225202 its reverse (202522561), we get a palindrome (367747763).

The spelling of 165225202 in words is "one hundred sixty-five million, two hundred twenty-five thousand, two hundred two".