2209288065 has 8 divisors (see below), whose sum is σ = 3534860928. Its totient is φ = 1178286960.

The previous prime is 2209288033. The next prime is 2209288073. The reversal of 2209288065 is 5608829022.

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

It is not a de Polignac number, because 2209288065 - 2⁵ = 2209288033 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73642921 + ... + 73642950.

It is an arithmetic number, because the mean of its divisors is an integer number (441857616).

Almost surely, 2^2209288065 is an apocalyptic number.

It is an amenable number.

2209288065 is a deficient number, since it is larger than the sum of its proper divisors (1325572863).

2209288065 is a wasteful number, since it uses less digits than its factorization.

2209288065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147285879.

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 2209288065 is about 47003.0644213758. The cubic root of 2209288065 is about 1302.4191768083.

The spelling of 2209288065 in words is "two billion, two hundred nine million, two hundred eighty-eight thousand, sixty-five".