1602228609 has 6 divisors (see below), whose sum is σ = 2314330226. Its totient is φ = 1068152400.

The previous prime is 1602228581. The next prime is 1602228611. The reversal of 1602228609 is 9068222061.

It is a happy number.

1602228609 is a `hidden beast` number, since 1 + 6 + 0 + 22 + 28 + 609 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1440430209 + 161798400 = 37953^2 + 12720^2 .

It is not a de Polignac number, because 1602228609 - 2²⁴ = 1585451393 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1602228619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 89012692 + ... + 89012709.

Almost surely, 2^1602228609 is an apocalyptic number.

It is an amenable number.

1602228609 is a deficient number, since it is larger than the sum of its proper divisors (712101617).

1602228609 is a wasteful number, since it uses less digits than its factorization.

1602228609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178025407 (or 178025404 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 1602228609 is about 40027.8479186678. The cubic root of 1602228609 is about 1170.1498843703.

The spelling of 1602228609 in words is "one billion, six hundred two million, two hundred twenty-eight thousand, six hundred nine".