2225737165 has 8 divisors (see below), whose sum is σ = 2674020888. Its totient is φ = 1778498880.

The previous prime is 2225737133. The next prime is 2225737219. The reversal of 2225737165 is 5617375222.

It can be written as a sum of positive squares in 4 ways, for example, as 256064004 + 1969673161 = 16002^2 + 44381^2 .

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

It is not a de Polignac number, because 2225737165 - 2⁵ = 2225737133 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 256666 + ... + 265195.

It is an arithmetic number, because the mean of its divisors is an integer number (334252611).

Almost surely, 2^2225737165 is an apocalyptic number.

It is an amenable number.

2225737165 is a deficient number, since it is larger than the sum of its proper divisors (448283723).

2225737165 is an equidigital number, since it uses as much as digits as its factorization.

2225737165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522719.

The product of its digits is 176400, while the sum is 40.

The square root of 2225737165 is about 47177.7189465536. The cubic root of 2225737165 is about 1305.6435447389.

The spelling of 2225737165 in words is "two billion, two hundred twenty-five million, seven hundred thirty-seven thousand, one hundred sixty-five".