2288208685 has 8 divisors (see below), whose sum is σ = 3138114816. Its totient is φ = 1569057360.

The previous prime is 2288208679. The next prime is 2288208707. The reversal of 2288208685 is 5868028822.

It is a happy number.

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

It is not a de Polignac number, because 2288208685 - 2¹⁵ = 2288175917 is a prime.

It is a super-2 number, since 2×2288208685² = 10471797972218858450, which contains 22 as substring.

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, 32688661 + ... + 32688730.

It is an arithmetic number, because the mean of its divisors is an integer number (392264352).

Almost surely, 2^2288208685 is an apocalyptic number.

It is an amenable number.

2288208685 is a deficient number, since it is larger than the sum of its proper divisors (849906131).

2288208685 is an equidigital number, since it uses as much as digits as its factorization.

2288208685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65377403.

The product of its (nonzero) digits is 983040, while the sum is 49.

The square root of 2288208685 is about 47835.2243122158. The cubic root of 2288208685 is about 1317.7465156882.

The spelling of 2288208685 in words is "two billion, two hundred eighty-eight million, two hundred eight thousand, six hundred eighty-five".