2285658665 has 8 divisors (see below), whose sum is σ = 2744745480. Its totient is φ = 1827223552.

The previous prime is 2285658629. The next prime is 2285658671. The reversal of 2285658665 is 5668565822.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 243703321 + 2041955344 = 15611^2 + 45188^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2285658665 - 2⁶ = 2285658601 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, 155174 + ... + 169263.

It is an arithmetic number, because the mean of its divisors is an integer number (343093185).

Almost surely, 2^2285658665 is an apocalyptic number.

It is an amenable number.

2285658665 is a deficient number, since it is larger than the sum of its proper divisors (459086815).

2285658665 is a wasteful number, since it uses less digits than its factorization.

2285658665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325851.

The product of its digits is 6912000, while the sum is 53.

The square root of 2285658665 is about 47808.5626744833. The cubic root of 2285658665 is about 1317.2568271067.

The spelling of 2285658665 in words is "two billion, two hundred eighty-five million, six hundred fifty-eight thousand, six hundred sixty-five".